{
    "uniprot_canonical_ac": "P20239-1",
    "uniprot_ac": "P20239",
    "uniprot_id": "ZP2_MOUSE",
    "mass": {
        "chemical_mass": 80210.0,
        "monoisotopic_mass": 80210.0
    },
    "refseq": {
        "ac": "NP_035905",
        "name": "zona pellucida sperm-binding protein 2 isoform 1 preproprotein",
        "summary": "This gene encodes a member of the zona pellucida family of glycoproteins that play an important role in the survival of growing oocytes, successful fertilization and the passage of early embryos through the oviduct. The encoded preproprotein undergoes proteolytic processing to generate the mature polypeptide that is incorporated into the extracellular matrix surrounding mouse oocytes. Mice lacking the encoded protein develop defective zonae pellucidae that disrupt folliculogenesis, fertility and development. [provided by RefSeq, Sep 2016].",
        "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905"
    },
    "gene_names": [
        {
            "name": "Zp2",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "https://www.uniprot.org/uniprot/P20239",
            "id": "P20239"
        },
        {
            "name": "Zp-2",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905",
            "id": "NP_035905"
        },
        {
            "name": "Zp-2",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/P20239",
            "id": "P20239"
        },
        {
            "name": "Zp2",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905",
            "id": "NP_035905"
        },
        {
            "name": "Zpa",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/P20239",
            "id": "P20239"
        }
    ],
    "protein_names": [
        {
            "name": "Zona pellucida sperm-binding protein 2",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "",
            "id": "P20239"
        },
        {
            "name": "Zona pellucida glycoprotein 2",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P20239"
        },
        {
            "name": "Zona pellucida protein A",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P20239"
        },
        {
            "name": "Zp-2",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P20239"
        },
        {
            "name": "zona pellucida sperm-binding protein 2 isoform 1 preproprotein",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905",
            "id": "NP_035905"
        },
        {
            "name": "zona pellucida sperm-binding protein 2; zona pellucida protein A; zona pellucida glycoprotein ZP2",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905",
            "id": "NP_035905"
        }
    ],
    "function": [
        {
            "annotation": "Characterization of native mouse zona pellucida proteins by mass spectrometry",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_035905",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905"
                },
                {
                    "database": "PubMed",
                    "id": "12799386",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "annotation": "Component of the zona pellucida, an extracellular matrix surrounding oocytes which mediates sperm binding, induction of the acrosome reaction and prevents post-fertilization polyspermy. The zona pellucida is composed of 3 to 4 glycoproteins, ZP1, ZP2, ZP3, and ZP4. ZP2 may act as a secondary sperm receptor.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239#function"
                },
                {
                    "database": "PubMed",
                    "id": "22472438",
                    "url": "https://glygen.org/publication/PubMed/22472438"
                }
            ]
        },
        {
            "annotation": "Identification of a heterozygous variant of ZP2 as a novel cause of empty follicle syndrome in humans and mice.",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_035905",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905"
                },
                {
                    "database": "PubMed",
                    "id": "35211729",
                    "url": "https://glygen.org/publication/PubMed/35211729"
                }
            ]
        },
        {
            "annotation": "This gene encodes a member of the zona pellucida family of glycoproteins that play an important role in the survival of growing oocytes, successful fertilization and the passage of early embryos through the oviduct. The encoded preproprotein undergoes proteolytic processing to generate the mature polypeptide that is incorporated into the extracellular matrix surrounding mouse oocytes. Mice lacking the encoded protein develop defective zonae pellucidae that disrupt folliculogenesis, fertility and development. [provided by RefSeq, Sep 2016].",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_035905",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905"
                }
            ]
        }
    ],
    "disease": [],
    "snv": [],
    "mutagenesis": [
        {
            "start_pos": 634,
            "end_pos": 635,
            "sequence_org": "KR",
            "sequence_mut": "NA",
            "comment": "Abolishes proteolytic cleavage of the propeptide.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                },
                {
                    "database": "PubMed",
                    "id": "26811476",
                    "url": "https://glygen.org/publication/PubMed/26811476"
                }
            ]
        }
    ],
    "expression_tissue": [],
    "expression_disease": [],
    "species": [
        {
            "name": "Mus musculus",
            "taxid": 10090,
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                }
            ],
            "common_name": "Mouse"
        }
    ],
    "gene": [
        {
            "name": "Zp2",
            "url": "https://www.uniprot.org/uniprot/P20239",
            "locus": {
                "chromosome": "7",
                "start_pos": 119725995,
                "end_pos": 119744514,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Gene",
                        "id": "ENSMUSG00000030911",
                        "url": "https://www.ensembl.org/id/ENSMUSG00000030911"
                    }
                ]
            }
        }
    ],
    "crossref": [
        {
            "id": "ENSMUSG00000030911",
            "url": "https://bgee.org/?page=gene&gene_id=ENSMUSG00000030911",
            "database": "Bgee",
            "categories": [
                "Gene Expression"
            ]
        },
        {
            "id": "22787",
            "url": "https://www.ncbi.nlm.nih.gov/gene/22787",
            "database": "GeneID",
            "categories": [
                "Genome Annotation"
            ]
        },
        {
            "id": "630",
            "url": "https://glyconnect.expasy.org/browser/proteins/630",
            "database": "GlyConnect",
            "categories": [
                "Glycan",
                "Glycoproteomics"
            ]
        },
        {
            "id": "IPR001507",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR001507",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR017977",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR017977",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR042235",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR042235",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "mmu:22787",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:22787",
            "database": "KEGG Pathway",
            "categories": [
                "Enzyme and Pathway"
            ]
        },
        {
            "id": "99214",
            "url": "http://www.informatics.jax.org/marker/MGI:99214",
            "database": "MGI",
            "categories": [
                "Organism-specific"
            ]
        },
        {
            "id": "RPYGDKE",
            "url": "https://omabrowser.org/oma/group/RPYGDKE/",
            "database": "OMA",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "4589644at2759",
            "url": "http://www.orthodb.org/?query=4589644at2759",
            "database": "OrthoDB",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR23343",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR23343",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR23343:SF4",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR23343:SF4",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "5BUP",
            "url": "https://www.rcsb.org/structure/5BUP",
            "database": "PDB",
            "categories": [
                "3D Structure"
            ]
        },
        {
            "id": "5II6",
            "url": "https://www.rcsb.org/structure/5II6",
            "database": "PDB",
            "categories": [
                "3D Structure"
            ]
        },
        {
            "id": "PF00100",
            "url": "http://pfam.xfam.org/family/PF00100",
            "database": "Pfam",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PR_P20239",
            "url": "http://purl.obolibrary.org/obo/PR_P20239",
            "database": "PRO",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "R-MMU-2534343",
            "url": "https://www.reactome.org/PathwayBrowser/#R-MMU-2534343",
            "database": "Reactome",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "NP_035905",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905",
            "database": "RefSeq",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "A0A140LIR5",
            "url": "https://www.uniprot.org/uniprot/A0A140LIR5",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "A0A140LIR5-1",
            "url": "https://www.uniprot.org/uniprot/A0A140LIR5-1",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "P20239",
            "url": "https://www.uniprot.org/uniprot/P20239",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "P20239-1",
            "url": "https://www.uniprot.org/uniprot/P20239-1",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "Q3UX44",
            "url": "https://www.uniprot.org/uniprot/Q3UX44",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "Q3UX44-1",
            "url": "https://www.uniprot.org/uniprot/Q3UX44-1",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        }
    ],
    "sequence": {
        "sequence": "MARWQRKASVSSPCGRSIYRFLSLLFTLVTSVNSVSLPQSENPAFPGTLICDKDEVRIEFSSRFDMEKWNPSVVDTLGSEILNCTYALDLERFVLKFPYETCTIKVVGGYQVNIRVGDTTTDVRYKDDMYHFFCPAIQAETHEISEIVVCRRDLISFSFPQLFSRLADENQNVSEMGWIVKIGNGTRAHILPLKDAIVQGFNLLIDSQKVTLHVPANATGIVHYVQESSYLYTVQLELLFSTTGQKIVFSSHAICAPDLSVACNATHMTLTIPEFPGKLESVDFGQWSIPEDQWHANGIDKEATNGLRLNFRKSLLKTKPSEKCPFYQFYLSSLKLTFYFQGNMLSTVIDPECHCESPVSIDELCAQDGFMDFEVYSHQTKPALNLDTLLVGNSSCQPIFKVQSVGLARFHIPLNGCGTRQKFEGDKVIYENEIHALWENPPSNIVFRNSEFRMTVRCYYIRDSMLLNAHVKGHPSPEAFVKPGPLVLVLQTYPDQSYQRPYRKDEYPLVRYLRQPIYMEVKVLSRNDPNIKLVLDDCWATSSEDPASAPQWQIVMDGCEYELDNYRTTFHPAGSSAAHSGHYQRFDVKTFAFVSEARGLSSLIYFHCSALICNQVSLDSPLCSVTCPASLRSKREANKEDTMTVSLPGPILLLSDVSSSKGVDPSSSEITKDIIAKDIASKTLGAVAALVGSAVILGFICYLYKKRTIRFNH",
        "length": 713,
        "header": "sp|P20239-1|ZP2_MOUSE Isoform 1 of Zona pellucida sperm-binding protein 2  OS=Mus musculus OX=10090 GN=Zp2 PE=1 SV=1 CANONICAL=P20239-1"
    },
    "isoforms": [
        {
            "isoform_ac": "A0A140LIR5-1",
            "url": "",
            "sequence": {
                "sequence": "MARWQRKASVSSPCGRSIYRFLSLLFTLVTSVNSVSLPQSENPAFPGTLICDKDEVRIEFSSRFDMEKWNPSVVDTLGSEILNCTYALDLERFVLKFPYETCTIKVVGGYQVNIRVGDTTTDVRYKDDMYHFFCPAIQAETHEISEIVVCRRDLISFSFPQLFSRLADENQNVSEMGWIVKIGNGTRAHILPLKDAIVQGFNLLIDSQKVTLHVPANATGIVHYVQESSYLYTVQLELLFSTTGQKIVFSSHAICAPDLSVACNATHMTLTIPEFPGKLESVDFGQWSIPEDQWHANGIDKEATNGLRLNFRKSLLKTKPSEKCPFYQFYLSSLKLTFYFQGNMLSTVIDPECHCESPVSIDELCAQDGFMDFEVYSHQTKPALNLDTLLVGNSSCQPIFKVQSVGLARFHIPLNGCGTRQKVSSNLW",
                "length": 428,
                "header": "tr|A0A140LIR5-1|A0A140LIR5_MOUSE Computationally mapped isoform of Zona pellucida glycoprotein 2  OS=Mus musculus OX=10090 GN=Zp2 PE=1 SV=1 CANONICAL=P20239-1"
            },
            "locus": {
                "chromosome": "7",
                "start_pos": 119744483,
                "end_pos": 119735088,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000207726.2",
                        "url": "https://www.ensembl.org/id/ENSMUST00000207726.2"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000146926.2",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000146926.2"
                    }
                ]
            }
        },
        {
            "isoform_ac": "P20239-1",
            "url": "",
            "sequence": {
                "sequence": "MARWQRKASVSSPCGRSIYRFLSLLFTLVTSVNSVSLPQSENPAFPGTLICDKDEVRIEFSSRFDMEKWNPSVVDTLGSEILNCTYALDLERFVLKFPYETCTIKVVGGYQVNIRVGDTTTDVRYKDDMYHFFCPAIQAETHEISEIVVCRRDLISFSFPQLFSRLADENQNVSEMGWIVKIGNGTRAHILPLKDAIVQGFNLLIDSQKVTLHVPANATGIVHYVQESSYLYTVQLELLFSTTGQKIVFSSHAICAPDLSVACNATHMTLTIPEFPGKLESVDFGQWSIPEDQWHANGIDKEATNGLRLNFRKSLLKTKPSEKCPFYQFYLSSLKLTFYFQGNMLSTVIDPECHCESPVSIDELCAQDGFMDFEVYSHQTKPALNLDTLLVGNSSCQPIFKVQSVGLARFHIPLNGCGTRQKFEGDKVIYENEIHALWENPPSNIVFRNSEFRMTVRCYYIRDSMLLNAHVKGHPSPEAFVKPGPLVLVLQTYPDQSYQRPYRKDEYPLVRYLRQPIYMEVKVLSRNDPNIKLVLDDCWATSSEDPASAPQWQIVMDGCEYELDNYRTTFHPAGSSAAHSGHYQRFDVKTFAFVSEARGLSSLIYFHCSALICNQVSLDSPLCSVTCPASLRSKREANKEDTMTVSLPGPILLLSDVSSSKGVDPSSSEITKDIIAKDIASKTLGAVAALVGSAVILGFICYLYKKRTIRFNH",
                "length": 713,
                "header": "sp|P20239-1|ZP2_MOUSE Isoform 1 of Zona pellucida sperm-binding protein 2  OS=Mus musculus OX=10090 GN=Zp2 PE=1 SV=1 CANONICAL=P20239-1"
            },
            "locus": {
                "chromosome": "7",
                "start_pos": 119744483,
                "end_pos": 119731615,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000033207",
                        "url": "https://www.ensembl.org/id/ENSMUST00000033207"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000033207",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000033207"
                    }
                ]
            }
        },
        {
            "isoform_ac": "Q3UX44-1",
            "url": "",
            "sequence": {
                "sequence": "MARWQRKASVSSPCGRSIYRFLSLLFTLVTSVNSVSLPQSENPAFPGTLICDKDEVRIEFSSRFDMEKWNPSVVDTLGSEILNCTYALDLERFVLKFPYETCTIKVVGGYQVNIRVGDTTTDVRYKDDMYHFFCPAIQAETHEISEIVVCRRDLISFSFPQLFSRLADENQNVSEMGWIVKIGNGTRAHILPLKDAIVQGFNLLIDSQKVTLHVPANATGIVHYVQESSYLYTVQLELLFSTTGQKIVFSSHAICAPDLSVACNATHMTLTIPEFPGKLESVDFGQWSIPEDQWHANGIDKEATNGLRLNFRKSLLKTKPSEKCPFYQFYLSSLKLTFYFQGNMLSTVIDPECHCESPVSIDELCAQDGFMDFEVYSHQTKPALNLDTLLVGNSSCQPIFKVQSVGLARFHIPLNGCGTRQKFEGDKVIYENEIHALWENPPSNIVFRNSEFRMTVRCYYIRDSMLLNAHVKGHPSPEAFVKPGPLVLVLQTYPDQSYQRPYRKDEYPLVRYLRQPIYMEVKVLSRNDPNIKLVLDDCWATSSEDPASAPQWQIVMDGCEYELDNYRTTFHPAGSSAAHSGHYQRFDVKTFAFVSEARGLSSLIYFHCSALICNQVSLDSPLCSVTCPASLRSKREANKEDTMTVSLPGPILLLSDVSSSKDANEVCFPWCCGTFF",
                "length": 676,
                "header": "tr|Q3UX44-1|ZP2_MOUSE Computationally mapped isoform of Zona pellucida sperm-binding protein 2  OS=Mus musculus OX=10090 GN=Zp2 PE=1 SV=1 CANONICAL=P20239-1"
            },
            "locus": {
                "chromosome": "7",
                "start_pos": 119744483,
                "end_pos": 119726171,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000208874.2",
                        "url": "https://www.ensembl.org/id/ENSMUST00000208874.2"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000147097.2",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000147097.2"
                    }
                ]
            }
        }
    ],
    "glycosylation": [
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "reported",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 172,
            "start_aa": "Asn",
            "end_pos": 172,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn172",
            "evidence": [
                {
                    "id": "P20239",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/P20239#ptm_processing"
                },
                {
                    "id": "12799386",
                    "database": "PubMed",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "reported",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 184,
            "start_aa": "Asn",
            "end_pos": 184,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn184",
            "evidence": [
                {
                    "id": "P20239",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/P20239#ptm_processing"
                },
                {
                    "id": "12799386",
                    "database": "PubMed",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "reported",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 217,
            "start_aa": "Asn",
            "end_pos": 217,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn217",
            "evidence": [
                {
                    "id": "P20239",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/P20239#ptm_processing"
                },
                {
                    "id": "12799386",
                    "database": "PubMed",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "reported",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 264,
            "start_aa": "Asn",
            "end_pos": 264,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn264",
            "evidence": [
                {
                    "id": "P20239",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/P20239#ptm_processing"
                },
                {
                    "id": "12799386",
                    "database": "PubMed",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "reported",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 393,
            "start_aa": "Asn",
            "end_pos": 393,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn393",
            "evidence": [
                {
                    "id": "P20239",
                    "database": "UniProtKB",
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            "title": "A structured interdomain linker directs self-polymerization of human uromodulin.",
            "journal": "Proc. Natl. Acad. Sci. U.S.A.",
            "date": "2016",
            "authors": "Bokhove M, Nishimura K, Brunati M, Han L, de Sanctis D, Rampoldi L, Jovine L",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "26811476",
                    "url": "https://glygen.org/publication/PubMed/26811476"
                }
            ]
        },
        {
            "title": "Structural basis of egg coat-sperm recognition at fertilization.",
            "journal": "Cell",
            "date": "2017",
            "authors": "Han L., Nishimura K., Villa A., Jovine L., de Sanctis D., Sadat Al Hosseini H., Dioguardi E., Raj I.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "28622512",
                    "url": "https://glygen.org/publication/PubMed/28622512"
                }
            ]
        },
        {
            "title": "Identification of a heterozygous variant of ZP2 as a novel cause of empty follicle syndrome in humans and mice.",
            "journal": "Human reproduction (Oxford, England)",
            "date": "2022",
            "authors": "Shen Y, Guo J, Zhang X, Wang X, Zhu S, Chen D, Xiong W, Lu G, Liu X, Dai C, Gong F, Wang Y, Lin G, Wang Z, Xu W",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_035905",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_035905"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "35211729",
                    "url": "https://glygen.org/publication/PubMed/35211729"
                }
            ]
        },
        {
            "title": "Mouse egg extracellular coat is a matrix of interconnected filaments possessing a structural repeat.",
            "journal": "J. Mol. Biol.",
            "date": "1985",
            "authors": "Greve J.M., Wassarman P.M.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "3845123",
                    "url": "https://glygen.org/publication/PubMed/3845123"
                }
            ]
        }
    ],
    "pathway": [
        {
            "id": "mmu:22787",
            "name": "",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:22787",
            "resource": "KEGG Pathway"
        },
        {
            "id": "R-MMU-2534343",
            "name": "Interaction With Cumulus Cells And The Zona Pellucida",
            "url": "https://www.reactome.org/PathwayBrowser/#R-MMU-2534343",
            "resource": "Reactome",
            "description": "Interaction With Cumulus Cells And The Zona Pellucida"
        }
    ],
    "orthologs": [
        {
            "uniprot_canonical_ac": "O54767-1",
            "protein_name": "Zona pellucida sperm-binding protein 2",
            "gene_name": "Zp2",
            "tax_id": 10116,
            "organism": "Rattus norvegicus",
            "sequence": {
                "sequence": "MARWQRVYWLRSLFFALVTSVNSLSLPQSENPAFPGTLICDKDEVRVEFSSRFDMEKWNPSLVDTFGNEISNCTYALDLEKFILKFPYETCTIKVIGGYQVNIRVQDTNADVSYKDDVHHFFCPAIQAEIHEVSEIVVCMEDLISFSFPQLFSRLADENQNVSEMGWIIKIGNGTRVHTLPLKDAIVQGFNLLIDSQKITLHVPANATGVAHYVQESSYLYTVQLKLLFSSPGQKITFSSQAICAPDLSVACNVTHMSLTIPEFPGKLKSVGFGQRNIPEDQWHANGIDKEATNGLRLHFRKSLLKTKPSEKCPFYQFYFSSLELTFNFQGDMLSTVIDPECHCESPVSIDELCTRDGFMDFEVYSHQTKPALNLESLLVGNSSCQPIFKVQSLGLARFHIPLNGCGTRQKFEGDKVIYENEIHALWENPPSNIIFRNSEFRMTVRCHYIRDSMLLRAHIKSHSSPVASVKPGPLALVLQTYPDISYQRPYRKNEYPLVRYLRQPIYMEVTVLNRNDPNIKLVLDDCWATTFEDPASVPQWQIIMDGCEYELDNYRTTFHAANSSAAHSGHYQRFDVKTFAFVSESRGLSSLIYFHCSALICNQASPLCSVTCPAPLRNKREASKEGTMTVSLPGPIILLSDDSSSKGVMNPDSYEITKDIASKTLGAVAALVGSAVIIGFICYLHKKRIVRFNS",
                "length": 695
            },
            "evidence": [
                {
                    "id": "45244623",
                    "url": "http://www.informatics.jax.org/homology/45244623",
                    "database": "MGI"
                }
            ],
            "common_name": "Rat"
        },
        {
            "uniprot_canonical_ac": "Q05996-1",
            "protein_name": "Zona pellucida sperm-binding protein 2",
            "gene_name": "ZP2",
            "tax_id": 9606,
            "organism": "Homo sapiens",
            "sequence": {
                "sequence": "MACRQRGGSWSPSGWFNAGWSTYRSISLFFALVTSGNSIDVSQLVNPAFPGTVTCDEREITVEFPSSPGTKKWHASVVDPLGLDMPNCTYILDPEKLTLRATYDNCTRRVHGGHQMTIRVMNNSAALRHGAVMYQFFCPAMQVEETQGLSASTICQKDFMSFSLPRVFSGLADDSKGTKVQMGWSIEVGDGARAKTLTLPEAMKEGFSLLIDNHRMTFHVPFNATGVTHYVQGNSHLYMVSLKLTFISPGQKVIFSSQAICAPDPVTCNATHMTLTIPEFPGKLKSVSFENQNIDVSQLHDNGIDLEATNGMKLHFSKTLLKTKLSEKCLLHQFYLASLKLTFLLRPETVSMVIYPECLCESPVSIVTGELCTQDGFMDVEVYSYQTQPALDLGTLRVGNSSCQPVFEAQSQGLVRFHIPLNGCGTRYKFEDDKVVYENEIHALWTDFPPSKISRDSEFRMTVKCSYSRNDMLLNINVESLTPPVASVKLGPFTLILQSYPDNSYQQPYGENEYPLVRFLRQPIYMEVRVLNRDDPNIKLVLDDCWATSTMDPDSFPQWNVVVDGCAYDLDNYQTTFHPVGSSVTHPDHYQRFDMKAFAFVSEAHVLSSLVYFHCSALICNRLSPDSPLCSVTCPVSSRHRRATGATEAEKMTVSLPGPILLLSDDSSFRGVGSSDLKASGSSGEKSRSETGEEVGSRGAMDTKGHKTAGDVGSKAVAAVAAFAGVVATLGFIYYLYEKRTVSNH",
                "length": 745
            },
            "evidence": [
                {
                    "id": "45244623",
                    "url": "http://www.informatics.jax.org/homology/45244623",
                    "database": "MGI"
                },
                {
                    "id": "P20239",
                    "url": "https://omabrowser.org/oma/group/P20239/",
                    "database": "OMA"
                }
            ],
            "common_name": "Human"
        }
    ],
    "go_annotation": {
        "categories": [
            {
                "name": "Cellular Component",
                "total": 6,
                "go_terms": [
                    {
                        "name": "extracellular region",
                        "id": "GO:0005576",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005576",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "endoplasmic reticulum",
                        "id": "GO:0005783",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005783",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "plasma membrane",
                        "id": "GO:0005886",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005886",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "multivesicular body",
                        "id": "GO:0005771",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005771",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "egg coat",
                        "id": "GO:0035805",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0035805",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "collagen-containing extracellular matrix",
                        "id": "GO:0062023",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0062023",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    }
                ]
            },
            {
                "name": "Molecular Function",
                "total": 3,
                "go_terms": [
                    {
                        "name": "structural constituent of egg coat",
                        "id": "GO:0035804",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0035804",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "acrosin binding",
                        "id": "GO:0032190",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0032190",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "identical protein binding",
                        "id": "GO:0042802",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0042802",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    }
                ]
            },
            {
                "name": "Biological Process",
                "total": 2,
                "go_terms": [
                    {
                        "name": "binding of sperm to zona pellucida",
                        "id": "GO:0007339",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0007339",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "prevention of polyspermy",
                        "id": "GO:0060468",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0060468",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "P20239",
                                "url": "https://www.uniprot.org/uniprot/P20239"
                            }
                        ],
                        "pmid": ""
                    }
                ]
            }
        ]
    },
    "pro_annotation": [],
    "site_annotation": [
        {
            "start_pos": 172,
            "end_pos": 174,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 184,
            "end_pos": 186,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 217,
            "end_pos": 219,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 264,
            "end_pos": 266,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 393,
            "end_pos": 395,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 83,
            "end_pos": 85,
            "annotation": "n_glycosylation_sequon"
        }
    ],
    "ptm_annotation": [
        {
            "annotation": "N-glycosylated.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                },
                {
                    "database": "PubMed",
                    "id": "12799386",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "annotation": "O-glycosylated; contains sulfate-substituted glycans.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                },
                {
                    "database": "PubMed",
                    "id": "12799386",
                    "url": "https://glygen.org/publication/PubMed/12799386"
                }
            ]
        },
        {
            "annotation": "Proteolytically cleaved before the transmembrane segment to yield the secreted ectodomain incorporated in the zona pellucida.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                },
                {
                    "database": "PubMed",
                    "id": "22472438",
                    "url": "https://glygen.org/publication/PubMed/22472438"
                },
                {
                    "database": "PubMed",
                    "id": "26811476",
                    "url": "https://glygen.org/publication/PubMed/26811476"
                }
            ]
        },
        {
            "annotation": "Proteolytically cleaved in the N-terminal part by the metalloendopeptidase ASTL exocytosed from cortical granules after fertilization, yielding a N-terminal peptide of about 30 kDa which remains covalently attached to the C-terminal peptide via disulfide bond(s). This cleavage may play an important role in the post-fertilization block to polyspermy. Additional proteolytically cleavage of the N-terminal peptide of 30 kDa occurs in one-cell and two-cell embryos.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P20239",
                    "url": "https://www.uniprot.org/uniprot/P20239"
                },
                {
                    "database": "PubMed",
                    "id": "22472438",
                    "url": "https://glygen.org/publication/PubMed/22472438"
                }
            ]
        }
    ],
    "interactions": [],
    "reactions": [],
    "reaction_participants": [],
    "reaction_enzymes": [],
    "biomarkers": [],
    "synthesized_glycans": [],
    "cluster_types": [
        {
            "name": "isoformset.uniprotkb",
            "label": "Isoforms"
        },
        {
            "name": "homologset.mgi",
            "label": "MGI Homologs"
        },
        {
            "name": "homologset.oma",
            "label": "OMA Homologs"
        }
    ],
    "section_stats": [
        {
            "table_id": "glycosylation",
            "table_stats": [
                {
                    "field": "total",
                    "count": 77
                },
                {
                    "field": "total_sites",
                    "count": 8
                },
                {
                    "field": "n_linked_glycans",
                    "count": 48
                },
                {
                    "field": "n_linked_glycan_sites",
                    "count": 6
                },
                {
                    "field": "o_linked_glycans",
                    "count": 22
                },
                {
                    "field": "o_linked_glycan_sites",
                    "count": 2
                }
            ],
            "sort_fields": [
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            ]
        },
        {
            "table_id": "glycosylation_reported",
            "table_stats": [
                {
                    "field": "total",
                    "count": 6
                },
                {
                    "field": "total_sites",
                    "count": 6
                },
                {
                    "field": "n_linked_glycans",
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                },
                {
                    "field": "n_linked_glycan_sites",
                    "count": 6
                },
                {
                    "field": "o_linked_glycans",
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                {
                    "field": "o_linked_glycan_sites",
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        },
        {
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                {
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                {
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                {
                    "field": "o_linked_glycans",
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                {
                    "field": "o_linked_glycan_sites",
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                }
            ],
            "sort_fields": [
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            ]
        },
        {
            "table_id": "glycosylation_predicted",
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                    "field": "total",
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                {
                    "field": "total_sites",
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                {
                    "field": "n_linked_glycans",
                    "count": 0
                },
                {
                    "field": "n_linked_glycan_sites",
                    "count": 0
                },
                {
                    "field": "o_linked_glycans",
                    "count": 0
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                    "field": "o_linked_glycan_sites",
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                }
            ],
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        },
        {
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                    "count": 0
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                {
                    "field": "n_linked_glycan_sites",
                    "count": 0
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                {
                    "field": "o_linked_glycans",
                    "count": 0
                },
                {
                    "field": "o_linked_glycan_sites",
                    "count": 0
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            ],
            "sort_fields": []
        },
        {
            "table_id": "phosphorylation",
            "table_stats": [
                {
                    "field": "total",
                    "count": 0
                },
                {
                    "field": "total_sites",
                    "count": 0
                }
            ],
            "sort_fields": []
        },
        {
            "table_id": "snv",
            "table_stats": [
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                    "count": 0
                },
                {
                    "field": "total_sites",
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            ],
            "sort_fields": []
        },
        {
            "table_id": "snv_disease",
            "table_stats": [
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                    "field": "total",
                    "count": 0
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                {
                    "field": "total_sites",
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            ],
            "sort_fields": []
        },
        {
            "table_id": "snv_non_disease",
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        {
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                    "field": "total",
                    "count": 10
                }
            ],
            "sort_fields": [
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        }
    ]
}
