{
    "uniprot_canonical_ac": "Q8K1Z6-1",
    "uniprot_ac": "Q8K1Z6",
    "uniprot_id": "GPR18_MOUSE",
    "mass": {
        "chemical_mass": 37691.0,
        "monoisotopic_mass": 37691.0
    },
    "refseq": {
        "ac": "NP_877958",
        "name": "N-arachidonyl glycine receptor",
        "summary": "",
        "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
    },
    "gene_names": [
        {
            "name": "Gpr18",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "https://www.uniprot.org/uniprot/Q8K1Z6",
            "id": "Q8K1Z6"
        },
        {
            "name": "Gpr18",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958",
            "id": "NP_877958"
        }
    ],
    "protein_names": [
        {
            "name": "N-arachidonyl glycine receptor",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "",
            "id": "Q8K1Z6"
        },
        {
            "name": "G-protein coupled receptor 18",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "Q8K1Z6"
        },
        {
            "name": "N-arachidonyl glycine receptor",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958",
            "id": "NP_877958"
        },
        {
            "name": "NAGly receptor",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958",
            "id": "NP_877958"
        },
        {
            "name": "NAGly receptor",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "Q8K1Z6"
        }
    ],
    "function": [
        {
            "annotation": "Data (including data from knockout mice) suggest that signal transduction involving GPR18 in corneal epithelium and ciliary epithelium is required for regulation of intraocular pressure.",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                },
                {
                    "database": "PubMed",
                    "id": "23461720",
                    "url": "https://glygen.org/publication/PubMed/23461720"
                }
            ]
        },
        {
            "annotation": "Data indicate that orphan G-protein-coupled receptor GPR18 is required for the normal homeostasis of CD8alphaalpha gammadeltaT and alphabetaT and CD8alphabeta intestinal intraepithelial lymphocyte compartment.",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                },
                {
                    "database": "PubMed",
                    "id": "25348153",
                    "url": "https://glygen.org/publication/PubMed/25348153"
                }
            ]
        },
        {
            "annotation": "GPR18 and its ligand NAGly are modulators of glial and neuronal cells during neuronal damage. Publication Status: Online-Only",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                },
                {
                    "database": "PubMed",
                    "id": "30871175",
                    "url": "https://glygen.org/publication/PubMed/30871175"
                }
            ]
        },
        {
            "annotation": "GPR18 has a role in the development and reconstitution of thymus-derived intestinal IEL subsets in the steady-state and after bone marrow transplantation Publication Status: Online-Only",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                },
                {
                    "database": "PubMed",
                    "id": "26197390",
                    "url": "https://glygen.org/publication/PubMed/26197390"
                }
            ]
        },
        {
            "annotation": "Receptor for endocannabinoid N-arachidonyl glycine (NAGly) (By similarity). However, conflicting results about the role of NAGly as an agonist are reported (PubMed:23104136). Can also be activated by plant-derived and synthetic cannabinoid agonists (By similarity). The activity of this receptor is mediated by G proteins which inhibit adenylyl cyclase (By similarity). May contribute to regulation of the immune system (By similarity). Is required for normal homeostasis of CD8+ subsets of intraepithelial lymphocytes (IELs) (CD8alphaalpha and CD8alphabeta IELs) in small intstine by supporting preferential migration of CD8alphaalpha T-cells to intraepithelial compartment over lamina propria compartment, and by mediating their reconstitution into small intestine after bone marrow transplant (PubMed:25348153, PubMed:26197390). Plays a role in hypotensive responses, mediating reduction in intraocular and blood pressure (PubMed:23461720, PubMed:27893106). Mediates NAGly-induced process of reorganization of actin filaments and induction of acrosomal exocytosis (By similarity).",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6#function"
                },
                {
                    "database": "PubMed",
                    "id": "23461720",
                    "url": "https://glygen.org/publication/PubMed/23461720"
                },
                {
                    "database": "PubMed",
                    "id": "25348153",
                    "url": "https://glygen.org/publication/PubMed/25348153"
                },
                {
                    "database": "PubMed",
                    "id": "27893106",
                    "url": "https://glygen.org/publication/PubMed/27893106"
                },
                {
                    "database": "UniProtKB",
                    "id": "Q14330",
                    "url": "https://www.uniprot.org/uniprot/Q14330#function"
                },
                {
                    "database": "PubMed",
                    "id": "23104136",
                    "url": "https://glygen.org/publication/PubMed/23104136"
                },
                {
                    "database": "PubMed",
                    "id": "26197390",
                    "url": "https://glygen.org/publication/PubMed/26197390"
                }
            ]
        },
        {
            "annotation": "The resolvin D2 - GPR18 axis is expressed in human coronary atherosclerosis and transduces atheroprotection in apolipoprotein E deficient mice.",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                },
                {
                    "database": "PubMed",
                    "id": "35525326",
                    "url": "https://glygen.org/publication/PubMed/35525326"
                }
            ]
        }
    ],
    "disease": [],
    "snv": [
        {
            "evidence": [
                {
                    "id": "rs3405676344",
                    "database": "dbSNP",
                    "url": "https://www.ncbi.nlm.nih.gov/SNP/snp_ref.cgi?type=rs&rs=rs3405676344"
                }
            ],
            "glycoeffect": [
                "n-glyco-sequon-loss",
                "o-glyco-site-loss"
            ],
            "start_pos": 190,
            "end_pos": 190,
            "sequence_org": "T",
            "sequence_mut": "R",
            "comment": "Germline mutation passed 1 out of 1 filters: n-glyco-sequon-loss (NFT->NFR).",
            "chr_id": "14",
            "chr_pos": "122149455",
            "ref_nt": "C",
            "alt_nt": "null",
            "minor_allelic_frequency": "",
            "site_lbl": "T190",
            "keywords": [
                "ebi",
                "germline"
            ]
        }
    ],
    "mutagenesis": [],
    "expression_tissue": [],
    "expression_disease": [],
    "species": [
        {
            "name": "Mus musculus",
            "taxid": 10090,
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                }
            ],
            "common_name": "Mouse"
        }
    ],
    "gene": [
        {
            "name": "Gpr18",
            "url": "https://www.uniprot.org/uniprot/Q8K1Z6",
            "locus": {
                "chromosome": "14",
                "start_pos": 122148665,
                "end_pos": 122153193,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Gene",
                        "id": "ENSMUSG00000050350",
                        "url": "https://www.ensembl.org/id/ENSMUSG00000050350"
                    }
                ]
            }
        }
    ],
    "crossref": [
        {
            "id": "ENSMUSG00000050350",
            "url": "https://bgee.org/?page=gene&gene_id=ENSMUSG00000050350",
            "database": "Bgee",
            "categories": [
                "Gene Expression"
            ]
        },
        {
            "id": "cd15166",
            "url": "https://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd15166",
            "database": "CDD",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "110168",
            "url": "https://www.ncbi.nlm.nih.gov/gene/110168",
            "database": "GeneID",
            "categories": [
                "Genome Annotation"
            ]
        },
        {
            "id": "Q8K1Z6",
            "url": "https://www.ebi.ac.uk/intact/interactors/id:Q8K1Z6*",
            "database": "IntAct",
            "categories": [
                "Other"
            ]
        },
        {
            "id": "IPR000276",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR000276",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR017452",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR017452",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR028335",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR028335",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "mmu:110168",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:110168",
            "database": "KEGG Pathway",
            "categories": [
                "Enzyme and Pathway"
            ]
        },
        {
            "id": "107859",
            "url": "http://www.informatics.jax.org/marker/MGI:107859",
            "database": "MGI",
            "categories": [
                "Organism-specific"
            ]
        },
        {
            "id": "YMINVAV",
            "url": "https://omabrowser.org/oma/group/YMINVAV/",
            "database": "OMA",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "5304717at2759",
            "url": "http://www.orthodb.org/?query=5304717at2759",
            "database": "OrthoDB",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR24232",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR24232",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR24232:SF1",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR24232:SF1",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PF00001",
            "url": "http://pfam.xfam.org/family/PF00001",
            "database": "Pfam",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PR_Q8K1Z6",
            "url": "http://purl.obolibrary.org/obo/PR_Q8K1Z6",
            "database": "PRO",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "R-MMU-373076",
            "url": "https://www.reactome.org/PathwayBrowser/#R-MMU-373076",
            "database": "Reactome",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "R-MMU-418594",
            "url": "https://www.reactome.org/PathwayBrowser/#R-MMU-418594",
            "database": "Reactome",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "NP_877958",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958",
            "database": "RefSeq",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "Q8K1Z6",
            "url": "https://www.uniprot.org/uniprot/Q8K1Z6",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "Q8K1Z6-1",
            "url": "https://www.uniprot.org/uniprot/Q8K1Z6-1",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        }
    ],
    "sequence": {
        "sequence": "MATLSNHNQLDLSNGSHPEEYKIAALVFYSCIFLIGLFVNVTALWVFSCTTKKRTTVTIYMMNVALLDLVFILSLPFRMFYYAKGEWPFGEYFCHILGALVVFYPSLALWLLAFISADRYMAIVQPKYAKELKNTGKAVLACGGVWVMTLTTTVPLLLLYEDPDKASSPATCLKISDITHLKAVNVLNFTRLIFFFLIPLFIMIGCYVVIIHSLLRGQTSKLKPKVKEKSIRIIMTLLLQVLVCFVPFHICFAVLMLQGQENSYSPWGAFTTFLMNLSTCLDVVLYYIVSKQFQARVISVMLYRNYLRSVRRKSVRSGSLRSLSNMNSEML",
        "length": 331,
        "header": "sp|Q8K1Z6-1|GPR18_MOUSE Isoform 1 of N-arachidonyl glycine receptor  OS=Mus musculus OX=10090 GN=Gpr18 PE=1 SV=1 CANONICAL=Q8K1Z6-1"
    },
    "isoforms": [
        {
            "isoform_ac": "Q8K1Z6-1",
            "url": "",
            "sequence": {
                "sequence": "MATLSNHNQLDLSNGSHPEEYKIAALVFYSCIFLIGLFVNVTALWVFSCTTKKRTTVTIYMMNVALLDLVFILSLPFRMFYYAKGEWPFGEYFCHILGALVVFYPSLALWLLAFISADRYMAIVQPKYAKELKNTGKAVLACGGVWVMTLTTTVPLLLLYEDPDKASSPATCLKISDITHLKAVNVLNFTRLIFFFLIPLFIMIGCYVVIIHSLLRGQTSKLKPKVKEKSIRIIMTLLLQVLVCFVPFHICFAVLMLQGQENSYSPWGAFTTFLMNLSTCLDVVLYYIVSKQFQARVISVMLYRNYLRSVRRKSVRSGSLRSLSNMNSEML",
                "length": 331,
                "header": "sp|Q8K1Z6-1|GPR18_MOUSE Isoform 1 of N-arachidonyl glycine receptor  OS=Mus musculus OX=10090 GN=Gpr18 PE=1 SV=1 CANONICAL=Q8K1Z6-1"
            },
            "locus": {
                "chromosome": "14",
                "start_pos": 122150023,
                "end_pos": 122149031,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000055475",
                        "url": "https://www.ensembl.org/id/ENSMUST00000055475"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000061410",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000061410"
                    }
                ]
            }
        }
    ],
    "glycosylation": [
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "predicted",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 14,
            "start_aa": "Asn",
            "end_pos": 14,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn14",
            "evidence": [
                {
                    "id": "Q8K1Z6",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6#ptm_processing"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "predicted",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 188,
            "start_aa": "Asn",
            "end_pos": 188,
            "end_aa": "Asn",
            "residue": "Asn",
            "site_lbl": "Asn188",
            "evidence": [
                {
                    "id": "Q8K1Z6",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6#ptm_processing"
                }
            ]
        }
    ],
    "phosphorylation": [
        {
            "start_pos": 322,
            "end_pos": 322,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Ser",
            "comment": "Phosphoserine",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                },
                {
                    "database": "PubMed",
                    "id": "21183079",
                    "url": "https://glygen.org/publication/PubMed/21183079"
                },
                {
                    "database": "iPTMnet",
                    "id": "Q8K1Z6",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/Q8K1Z6"
                }
            ],
            "site_lbl": "Ser322"
        }
    ],
    "glycation": [],
    "keywords": [
        "glycoprotein",
        "glycoprotein_predicted"
    ],
    "publication": [
        {
            "title": "A tissue-specific atlas of mouse protein phosphorylation and expression.",
            "journal": "Cell",
            "date": "2010",
            "authors": "Huttlin EL, Jedrychowski MP, Elias JE, Goswami T, Rad R, Beausoleil SA, Villen J, Haas W, Sowa ME, Gygi SP",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                },
                {
                    "database": "iPTMnet",
                    "id": "Q8K1Z6",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/Q8K1Z6"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "21183079",
                    "url": "https://glygen.org/publication/PubMed/21183079"
                }
            ]
        },
        {
            "title": "N-Arachidonyl glycine does not activate G protein-coupled receptor 18 signaling via canonical pathways.",
            "journal": "Mol. Pharmacol.",
            "date": "2013",
            "authors": "Ikeda S.R., Puhl H.L. III, Lu V.B.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "23104136",
                    "url": "https://glygen.org/publication/PubMed/23104136"
                }
            ]
        },
        {
            "title": "A GPR18-based signalling system regulates IOP in murine eye.",
            "journal": "Br. J. Pharmacol.",
            "date": "2013",
            "authors": "Caldwell MD, Hu SS, Viswanathan S, Bradshaw H, Kelly ME, Straiker A",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                },
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "23461720",
                    "url": "https://glygen.org/publication/PubMed/23461720"
                }
            ]
        },
        {
            "title": "GPR18 is required for a normal CD8alphaalpha intestinal intraepithelial lymphocyte compartment.",
            "journal": "J. Exp. Med.",
            "date": "2014",
            "authors": "Wang X, Sumida H, Cyster JG",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                },
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "25348153",
                    "url": "https://glygen.org/publication/PubMed/25348153"
                }
            ]
        },
        {
            "title": "GPR18 controls reconstitution of mouse small intestine intraepithelial lymphocytes following bone marrow transplantation.",
            "journal": "PLoS ONE",
            "date": "2015",
            "authors": "Becker AM, Callahan DJ, Richner JM, Choi J, DiPersio JF, Diamond MS, Bhattacharya D",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                },
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "26197390",
                    "url": "https://glygen.org/publication/PubMed/26197390"
                }
            ]
        },
        {
            "title": "Evidence for a GPR18 role in diurnal regulation of intraocular pressure.",
            "journal": "Invest. Ophthalmol. Vis. Sci.",
            "date": "2016",
            "authors": "Miller S, Leishman E, Oehler O, Daily L, Murataeva N, Wager-Miller J, Bradshaw H, Straiker A",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "Q8K1Z6",
                    "url": "https://www.uniprot.org/uniprot/Q8K1Z6"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "27893106",
                    "url": "https://glygen.org/publication/PubMed/27893106"
                }
            ]
        },
        {
            "title": "Protective Effect of N-Arachidonoyl Glycine-GPR18 Signaling after Excitotoxical Lesion in Murine Organotypic Hippocampal Slice Cultures.",
            "journal": "International journal of molecular sciences",
            "date": "2019",
            "authors": "Grabiec U, Hohmann T, Ghadban C, Rothganger C, Wong D, Antonietti A, Groth T, Mackie K, Dehghani F",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "30871175",
                    "url": "https://glygen.org/publication/PubMed/30871175"
                }
            ]
        },
        {
            "title": "The resolvin D2 - GPR18 axis is expressed in human coronary atherosclerosis and transduces atheroprotection in apolipoprotein E deficient mice.",
            "journal": "Biochemical pharmacology",
            "date": "2022",
            "authors": "Bardin M, Pawelzik SC, Lagrange J, Mahdi A, Arnardottir H, Regnault V, Feve B, Lacolley P, Michel JB, Mercier N, Back M",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_877958",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_877958"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "35525326",
                    "url": "https://glygen.org/publication/PubMed/35525326"
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            "id": "mmu:110168",
            "name": "",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:110168",
            "resource": "KEGG Pathway"
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            "id": "R-MMU-373076",
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        {
            "id": "R-MMU-418594",
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            "url": "https://www.reactome.org/PathwayBrowser/#R-MMU-418594",
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                            }
                        ],
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                    {
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                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005886",
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                        "pmid": ""
                    },
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                        "name": "cytoplasmic vesicle membrane",
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                            {
                                "database": "UniProtKB",
                                "id": "Q8K1Z6",
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        {
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