{
    "uniprot_canonical_ac": "A2AX52-1",
    "uniprot_ac": "A2AX52",
    "uniprot_id": "CO6A4_MOUSE",
    "mass": {
        "chemical_mass": 250798.0,
        "monoisotopic_mass": 250798.0
    },
    "refseq": {
        "ac": "NP_081039",
        "name": "collagen alpha-4(VI) chain precursor",
        "summary": "",
        "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
    },
    "gene_names": [
        {
            "name": "Col6a4",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "https://www.uniprot.org/uniprot/A2AX52",
            "id": "A2AX52"
        },
        {
            "name": "1110001D15Rik; AI413310; AU023415; Dvwa; EG235580; Vwa6",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039",
            "id": "NP_081039"
        },
        {
            "name": "Col6a4",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039",
            "id": "NP_081039"
        },
        {
            "name": "Dvwa",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/A2AX52",
            "id": "A2AX52"
        }
    ],
    "protein_names": [
        {
            "name": "Collagen alpha-4(VI) chain",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "https://www.uniprot.org/uniprot/A2AX52#names_and_taxonomy",
            "id": "A2AX52"
        },
        {
            "name": "collagen alpha-4(VI) chain precursor",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039",
            "id": "NP_081039"
        },
        {
            "name": "collagen alpha-4(VI) chain; double von Willebrand factor A domains; dual von Willebrand factor A domains",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039",
            "id": "NP_081039"
        }
    ],
    "function": [
        {
            "annotation": "Analysis of collagen VI chains alpha4, alpha5, and alpha6with high homology to the alpha3 chain",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                },
                {
                    "database": "PubMed",
                    "id": "18276594",
                    "url": "https://glygen.org/publication/PubMed/18276594"
                }
            ]
        },
        {
            "annotation": "Collagen VI acts as a cell-binding protein.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "A2AX52",
                    "url": "https://www.uniprot.org/uniprot/A2AX52#function"
                }
            ]
        },
        {
            "annotation": "DVWA is evolutionally very unique, which, together with its specific expression in articular cartilage, suggests its specific role in human cartilage metabolism.",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                },
                {
                    "database": "PubMed",
                    "id": "21057832",
                    "url": "https://glygen.org/publication/PubMed/21057832"
                }
            ]
        },
        {
            "annotation": "Discovery of three additional collagen VI chains doubles the collagen VI family and adds a layer of complexity to collagen VI assembly and function in the extracellular matrix",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                },
                {
                    "database": "PubMed",
                    "id": "18400749",
                    "url": "https://glygen.org/publication/PubMed/18400749"
                }
            ]
        },
        {
            "annotation": "The collagen VI alpha 4 chain is strongly expressed in the intestinal smooth muscle, surrounding the follicles in ovary, and in testis",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                },
                {
                    "database": "PubMed",
                    "id": "21477648",
                    "url": "https://glygen.org/publication/PubMed/21477648"
                }
            ]
        }
    ],
    "disease": [],
    "snv": [
        {
            "evidence": [
                {
                    "id": "rs36435239",
                    "database": "dbSNP",
                    "url": "https://www.ncbi.nlm.nih.gov/SNP/snp_ref.cgi?type=rs&rs=rs36435239"
                },
                {
                    "id": "rs36435239",
                    "database": "ENSEMBL",
                    "url": "https://www.ensembl.org/id/rs36435239"
                }
            ],
            "glycoeffect": [
                "n-glyco-sequon-gain"
            ],
            "start_pos": 1281,
            "end_pos": 1281,
            "sequence_org": "D",
            "sequence_mut": "N",
            "comment": "Germline mutation passed 1 out of 1 filters: n-glyco-sequon-gain (DET->NET).",
            "chr_id": "9",
            "chr_pos": "105940088C>",
            "ref_nt": "T",
            "alt_nt": "null",
            "minor_allelic_frequency": "",
            "keywords": [
                "ebi",
                "germline"
            ]
        },
        {
            "evidence": [
                {
                    "id": "rs29838304",
                    "database": "dbSNP",
                    "url": "https://www.ncbi.nlm.nih.gov/SNP/snp_ref.cgi?type=rs&rs=rs29838304"
                },
                {
                    "id": "rs29838304",
                    "database": "ENSEMBL",
                    "url": "https://www.ensembl.org/id/rs29838304"
                }
            ],
            "glycoeffect": [
                "n-glyco-sequon-gain",
                "o-glyco-site-loss"
            ],
            "start_pos": 425,
            "end_pos": 425,
            "sequence_org": "T",
            "sequence_mut": "N",
            "comment": "Germline mutation passed 1 out of 1 filters: n-glyco-sequon-gain (TKT->NKT).",
            "chr_id": "9",
            "chr_pos": "105952623G>",
            "ref_nt": "T",
            "alt_nt": "null",
            "minor_allelic_frequency": "",
            "keywords": [
                "ebi",
                "germline"
            ]
        }
    ],
    "mutagenesis": [],
    "expression_tissue": [],
    "expression_disease": [],
    "species": [
        {
            "name": "Mus musculus",
            "taxid": 10090,
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "A2AX52",
                    "url": "https://www.uniprot.org/uniprot/A2AX52"
                }
            ],
            "common_name": "Mouse"
        }
    ],
    "gene": [
        {
            "name": "Col6a4",
            "url": "https://www.uniprot.org/uniprot/A2AX52",
            "locus": {
                "chromosome": "9",
                "start_pos": 106096783,
                "end_pos": 105989454,
                "strand": "-",
                "evidence": [
                    {
                        "database": "Ensembl Gene",
                        "id": "ENSMUSG00000032572",
                        "url": "https://www.ensembl.org/id/ENSMUSG00000032572"
                    }
                ]
            }
        }
    ],
    "crossref": [
        {
            "id": "ENSMUSG00000032572",
            "url": "https://bgee.org/?page=gene&gene_id=ENSMUSG00000032572",
            "database": "Bgee"
        },
        {
            "id": "68553",
            "url": "https://www.ncbi.nlm.nih.gov/gene/68553",
            "database": "GeneID"
        },
        {
            "id": "GPDB0001740",
            "url": "https://acgg.asia/gpdb2/GPDB0001740",
            "database": "GlycoProtDB"
        },
        {
            "id": "IPR002035",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR002035",
            "database": "InterPro"
        },
        {
            "id": "IPR008160",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR008160",
            "database": "InterPro"
        },
        {
            "id": "IPR036465",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR036465",
            "database": "InterPro"
        },
        {
            "id": "mmu:68553",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:68553",
            "database": "KEGG Pathway"
        },
        {
            "id": "1915803",
            "url": "http://www.informatics.jax.org/marker/MGI:1915803",
            "database": "MGI"
        },
        {
            "id": "YPPWKHA",
            "url": "https://omabrowser.org/oma/group/YPPWKHA/",
            "database": "OMA"
        },
        {
            "id": "1049829at2759",
            "url": "http://www.orthodb.org/?query=1049829at2759",
            "database": "OrthoDB"
        },
        {
            "id": "PF00092",
            "url": "http://pfam.xfam.org/family/PF00092",
            "database": "Pfam"
        },
        {
            "id": "PF01391",
            "url": "http://pfam.xfam.org/family/PF01391",
            "database": "Pfam"
        },
        {
            "id": "PR_A2AX52",
            "url": "http://purl.obolibrary.org/obo/PR_A2AX52",
            "database": "PRO"
        },
        {
            "id": "NP_081039",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039",
            "database": "RefSeq"
        },
        {
            "id": "A0A1W2P6K8",
            "url": "https://www.uniprot.org/uniprot/A0A1W2P6K8",
            "database": "UniProtKB"
        },
        {
            "id": "A0A1W2P6K8-1",
            "url": "https://www.uniprot.org/uniprot/A0A1W2P6K8-1",
            "database": "UniProtKB"
        },
        {
            "id": "A2AX52",
            "url": "https://www.uniprot.org/uniprot/A2AX52",
            "database": "UniProtKB"
        },
        {
            "id": "A2AX52-1",
            "url": "https://www.uniprot.org/uniprot/A2AX52-1",
            "database": "UniProtKB"
        }
    ],
    "sequence": {
        "sequence": "MGTWKTFWLIISLAAGLGFVKSQRIVCREASVGDIVFLVHNSINPQHAHSVRNFLYILANSLQVGRDNIRVGLAQYSDTPTSEFLLSVYHRKGDVLKHIRGLQFKPGGNRMGQALQFILEHHFREGAGSRASQGVPQVAVVVSSGLTEDHIREPAEALRRAGILVYAIGVKDASQAELREISSSPKDNFTFFVPNFPGLPGLAQKLRPELCSTLGKAAQYTERESPACSEASPADIVFLVDSSTSIGLQNFQKVKHFLHSVVSGLDVRSDQVQVGLVQYSDNIYPAFPLKQSSLKSAVLDRIRNLPYSMGGTSTGSALEFIRANSLTEMSGSRAKDGVPQIVVLVTDGESSDEVQDVADQLKRDGVFVFVVGINIQDVQELQKIANEPFEEFLFTTENFSILQALSGTLLQALCSTVERQMKKSTKTYADVVFLIDTSQGTSQASFQWMQNFISRIIGILEVGQDKYQIGLAQYSDQGHTEFLFNTHKTRNEMVAHIHELLVFQGGSRKTGQGLRFLHRTFFQEAAGSRLLQGVPQYVVVITSGKSEDEVGEVAQILRKRGVDIVSVGLQDFDRAELEGIGPVVLVSDLQGEDRIRQLMLDVNMFIQGSPKPPRVMTDVAKDAVEECLVPVPADLVFLVEDFSSARQPNFQRVVHFLTTTVHSLNIHPDTTRVSLVFYSEKPRLEFSLDMYQSAAQVLRHLDRLTFRARRGRAKAGAALDFLRKEVFLPEKGSRPHRGVQQIAVVIIESPSLDNVSTPASYLRRAGVTIYAAGTQPASESKDLEKIVTYPPWKHAIRLESFLQLSVVGNKLKKKLCPEMLSGMPPLMSFIPESTRQSTQEGCESVEKADIYFLIDGSGSIKPNDFIEMKDFMKEVIKMFHIGPDRVRFGVVQYSDKIISQFFLTQYASMAGLSAAIDNIQQVGGGTTTGKALSKMVPVFQNTARIDVARYLIVITDGQSTDPVAEAAQGLRDIGVNIYAIGVRDANTTELEEIASKKMFFIYEFDSLKSIHQEVIRDICSSENCKSQKADIIFLIDGSESIAPKDFEKMKDFMERMVNQSNIGADEIQIGLLQFSSNPQEEFRLNRYSSKVDMCRAILSVQQMSDGTHTGKALNFTLPFFDSSRGGRPRVHQYLIVITDGVSQDNVAPPAKALRDRNIIIFAIGVGNVQRAQLLEITNDQDKVFQEENFESLQSLEKEILSEVCSSQGCNIDLSVGVDTSTSSERAQQELRRLLPELMQQLAFLSNISCEAPGQMEPRFRYVVPGSSDQPVFDSGFEKYSDETIQKFLVHQGSVNNRMDVDFLQSLGETAIHLSLAKVKVLLVFTDGLDEDLERLRRTSEFLRSRGLSGLLLIGLGGAHKLEELQELEFGRGFAYRQPLSSSLPSLPSVLLKQLDTIVERTCCNMYAKCYGDDGIRGEPGSRGEQGERGLDGLPGHPGEEGDHGQRGPRGLPGLRGEEGCPGVRGPKGARGFSGEKGNPGEEGVGGLDGEQGDRGAAGPSGEKGSSGSRGLTGLPGPAGPRGEPGLRGDPGDPGIDNLIQGPKGEKGRRGHQGSPGFHGPLGEAGSVGPRGSLGRHGLPGLKGVLGETGELGSRGEPGHPGPQGPRGRQGPPGFFGQKGDPGTQGNPGLPGPSGSKGPDGPRGLKGEVGPAGERGPRGQQGPRGQPGLFGPDGHGYPGRKGRKGEPGFPGYPGVQGEDGNPGRGGEKGAKGIRGKRGNSGFPGLAGTPGDQGPPGKMGTKGSKGLADRTPCEIVDFVRGNCPCSTGISRCPAFPTEVVFTLDMSNDVAPSDFERMRNILLSLLMKLEMCESNCPTGARVAIVSYNTRTDYLVRLSDHRGKAALLQAVRKIPLERSSGSRNLGATMRFVARHVFKRVRSGLLVRKVAVFFQAGRNYDTASVSTATLELHAADIATAVVTFTEEHNLPEAGLVDGPNEFHLFTWETEGQQDVERLASCTLCYDKCRPALGCQLRAPGPQKLDMDLVFLVDSSQGVSRDIYLGALRLVDSVLKDLEVAAQPGTSWHGARAALLTHTTPGFWPGVDQAPVLEYFHLTSHGHRTEMQRQIREAASGLLQGGPALGHALEWTLENVLLTAVLPRRSRVLYAIVASETSIWDREKLRTLSQEAKCKGIALFVLAVGPGVGAQELAELAKVASAPWEQHLLRLEGVSEAEVAYASRFTEAFLNLLNSGINQYPPPELVKECGGPNRGDTLLHFFTSAKRFSRSQSGTSAAFANDSEALKSQGIFLGERKSRVASVALQEALGSHGKDRADTEDIDQETPAKGRHLGPTHGPCPMGPEEGECLNYVLK",
        "length": 2309,
        "header": "sp|A2AX52-1|CO6A4_MOUSE Isoform 1 of Collagen alpha-4(VI) chain  OS=Mus musculus OX=10090 GN=Col6a4 PE=1 SV=2 CANONICAL=A2AX52-1"
    },
    "isoforms": [
        {
            "isoform_ac": "A0A1W2P6K8-1",
            "url": "https://www.uniprot.org/uniprot/A2AX52#A0A1W2P6K8-1",
            "sequence": {
                "sequence": "XKVAVFFQAGRNYDTASVSTATLELHAADIATAVVTFTEEHNLPEAGLVDGPNEFHLFTWETEGQQDVERLASCTLCYDKCRPALGCQLRAPGPQKLDMDLCALGAAPATPRGCLRGRGGLCQQIHGGLPEPSK",
                "length": 134,
                "header": "tr|A0A1W2P6K8-1|A0A1W2P6K8_MOUSE Computationally mapped isoform of Collagen alpha-4(VI) chain  OS=Mus musculus OX=10090 GN=Col6a4 PE=4 SV=1 CANONICAL=A2AX52-1"
            },
            "locus": {
                "chromosome": "9",
                "start_pos": 105890645,
                "end_pos": 105877411,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000218471",
                        "url": "https://www.ensembl.org/id/ENSMUST00000218471"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000151299",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000151299"
                    }
                ]
            }
        },
        {
            "isoform_ac": "A2AX52-1",
            "url": "https://www.uniprot.org/uniprot/A2AX52#A2AX52-1",
            "sequence": {
                "sequence": "MGTWKTFWLIISLAAGLGFVKSQRIVCREASVGDIVFLVHNSINPQHAHSVRNFLYILANSLQVGRDNIRVGLAQYSDTPTSEFLLSVYHRKGDVLKHIRGLQFKPGGNRMGQALQFILEHHFREGAGSRASQGVPQVAVVVSSGLTEDHIREPAEALRRAGILVYAIGVKDASQAELREISSSPKDNFTFFVPNFPGLPGLAQKLRPELCSTLGKAAQYTERESPACSEASPADIVFLVDSSTSIGLQNFQKVKHFLHSVVSGLDVRSDQVQVGLVQYSDNIYPAFPLKQSSLKSAVLDRIRNLPYSMGGTSTGSALEFIRANSLTEMSGSRAKDGVPQIVVLVTDGESSDEVQDVADQLKRDGVFVFVVGINIQDVQELQKIANEPFEEFLFTTENFSILQALSGTLLQALCSTVERQMKKSTKTYADVVFLIDTSQGTSQASFQWMQNFISRIIGILEVGQDKYQIGLAQYSDQGHTEFLFNTHKTRNEMVAHIHELLVFQGGSRKTGQGLRFLHRTFFQEAAGSRLLQGVPQYVVVITSGKSEDEVGEVAQILRKRGVDIVSVGLQDFDRAELEGIGPVVLVSDLQGEDRIRQLMLDVNMFIQGSPKPPRVMTDVAKDAVEECLVPVPADLVFLVEDFSSARQPNFQRVVHFLTTTVHSLNIHPDTTRVSLVFYSEKPRLEFSLDMYQSAAQVLRHLDRLTFRARRGRAKAGAALDFLRKEVFLPEKGSRPHRGVQQIAVVIIESPSLDNVSTPASYLRRAGVTIYAAGTQPASESKDLEKIVTYPPWKHAIRLESFLQLSVVGNKLKKKLCPEMLSGMPPLMSFIPESTRQSTQEGCESVEKADIYFLIDGSGSIKPNDFIEMKDFMKEVIKMFHIGPDRVRFGVVQYSDKIISQFFLTQYASMAGLSAAIDNIQQVGGGTTTGKALSKMVPVFQNTARIDVARYLIVITDGQSTDPVAEAAQGLRDIGVNIYAIGVRDANTTELEEIASKKMFFIYEFDSLKSIHQEVIRDICSSENCKSQKADIIFLIDGSESIAPKDFEKMKDFMERMVNQSNIGADEIQIGLLQFSSNPQEEFRLNRYSSKVDMCRAILSVQQMSDGTHTGKALNFTLPFFDSSRGGRPRVHQYLIVITDGVSQDNVAPPAKALRDRNIIIFAIGVGNVQRAQLLEITNDQDKVFQEENFESLQSLEKEILSEVCSSQGCNIDLSVGVDTSTSSERAQQELRRLLPELMQQLAFLSNISCEAPGQMEPRFRYVVPGSSDQPVFDSGFEKYSDETIQKFLVHQGSVNNRMDVDFLQSLGETAIHLSLAKVKVLLVFTDGLDEDLERLRRTSEFLRSRGLSGLLLIGLGGAHKLEELQELEFGRGFAYRQPLSSSLPSLPSVLLKQLDTIVERTCCNMYAKCYGDDGIRGEPGSRGEQGERGLDGLPGHPGEEGDHGQRGPRGLPGLRGEEGCPGVRGPKGARGFSGEKGNPGEEGVGGLDGEQGDRGAAGPSGEKGSSGSRGLTGLPGPAGPRGEPGLRGDPGDPGIDNLIQGPKGEKGRRGHQGSPGFHGPLGEAGSVGPRGSLGRHGLPGLKGVLGETGELGSRGEPGHPGPQGPRGRQGPPGFFGQKGDPGTQGNPGLPGPSGSKGPDGPRGLKGEVGPAGERGPRGQQGPRGQPGLFGPDGHGYPGRKGRKGEPGFPGYPGVQGEDGNPGRGGEKGAKGIRGKRGNSGFPGLAGTPGDQGPPGKMGTKGSKGLADRTPCEIVDFVRGNCPCSTGISRCPAFPTEVVFTLDMSNDVAPSDFERMRNILLSLLMKLEMCESNCPTGARVAIVSYNTRTDYLVRLSDHRGKAALLQAVRKIPLERSSGSRNLGATMRFVARHVFKRVRSGLLVRKVAVFFQAGRNYDTASVSTATLELHAADIATAVVTFTEEHNLPEAGLVDGPNEFHLFTWETEGQQDVERLASCTLCYDKCRPALGCQLRAPGPQKLDMDLVFLVDSSQGVSRDIYLGALRLVDSVLKDLEVAAQPGTSWHGARAALLTHTTPGFWPGVDQAPVLEYFHLTSHGHRTEMQRQIREAASGLLQGGPALGHALEWTLENVLLTAVLPRRSRVLYAIVASETSIWDREKLRTLSQEAKCKGIALFVLAVGPGVGAQELAELAKVASAPWEQHLLRLEGVSEAEVAYASRFTEAFLNLLNSGINQYPPPELVKECGGPNRGDTLLHFFTSAKRFSRSQSGTSAAFANDSEALKSQGIFLGERKSRVASVALQEALGSHGKDRADTEDIDQETPAKGRHLGPTHGPCPMGPEEGECLNYVLK",
                "length": 2309,
                "header": "sp|A2AX52-1|CO6A4_MOUSE Isoform 1 of Collagen alpha-4(VI) chain  OS=Mus musculus OX=10090 GN=Col6a4 PE=1 SV=2 CANONICAL=A2AX52-1"
            },
            "locus": {
                "chromosome": "9",
                "start_pos": 105960141,
                "end_pos": 105867981,
                "strand": "+",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "ENSMUST00000121963",
                        "url": "https://www.ensembl.org/id/ENSMUST00000121963"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "ENSMUSP00000112472",
                        "url": "https://www.ensembl.org/id/ENSMUSP00000112472"
                    }
                ]
            }
        }
    ],
    "glycosylation": [
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "predicted",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 1114,
            "start_aa": "Asn",
            "end_pos": 1114,
            "end_aa": "Asn",
            "residue": "Asn",
            "evidence": [
                {
                    "id": "A2AX52",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/A2AX52#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",
            "evidence": [
                {
                    "id": "A2AX52",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/A2AX52#ptm_processing"
                }
            ]
        },
        {
            "glytoucan_ac": "",
            "type": "N-linked",
            "subtype": "",
            "site_category": "predicted",
            "site_seq": "N",
            "relation": "attached",
            "comment": "N-linked (GlcNAc...) asparagine",
            "start_pos": 754,
            "start_aa": "Asn",
            "end_pos": 754,
            "end_aa": "Asn",
            "residue": "Asn",
            "evidence": [
                {
                    "id": "A2AX52",
                    "database": "UniProtKB",
                    "url": "https://www.uniprot.org/uniprot/A2AX52#ptm_processing"
                }
            ]
        }
    ],
    "phosphorylation": [],
    "glycation": [],
    "keywords": [
        "glycoprotein",
        "glycoprotein_predicted"
    ],
    "publication": [
        {
            "title": "Three novel collagen VI chains with high homology to the alpha 3 chain.",
            "journal": "J. Biol. Chem.",
            "date": "2008",
            "authors": "Koch M., Wagener R., Bonaldo P., Grumati P., Urciuolo A., Paulsson M., Gara S.K., Kobbe B.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "A2AX52",
                    "url": "https://www.uniprot.org/uniprot/A2AX52"
                },
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "18276594",
                    "url": "https://glygen.org/publication/PubMed/18276594"
                }
            ]
        },
        {
            "title": "Three novel collagen VI chains, alpha4(VI), alpha5(VI), and alpha6(VI).",
            "journal": "The Journal of biological chemistry",
            "date": "2008",
            "authors": "Fitzgerald J, Rich C, Zhou FH, Hansen U",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "18400749",
                    "url": "https://glygen.org/publication/PubMed/18400749"
                }
            ]
        },
        {
            "title": "Cloning and characterization of the osteoarthritis-associated gene DVWA.",
            "journal": "Journal of bone and mineral metabolism",
            "date": "2011",
            "authors": "Nakajima M, Miyamoto Y, Ikegawa S",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "21057832",
                    "url": "https://glygen.org/publication/PubMed/21057832"
                }
            ]
        },
        {
            "title": "Differential and restricted expression of novel collagen VI chains in mouse.",
            "journal": "Matrix biology : journal of the International Society for Matrix Biology",
            "date": "2011",
            "authors": "Gara SK, Grumati P, Squarzoni S, Sabatelli P, Urciuolo A, Bonaldo P, Paulsson M, Wagener R",
            "evidence": [
                {
                    "database": "RefSeq",
                    "id": "NP_081039",
                    "url": "https://www.ncbi.nlm.nih.gov/protein/NP_081039"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "21477648",
                    "url": "https://glygen.org/publication/PubMed/21477648"
                }
            ]
        }
    ],
    "pathway": [
        {
            "id": "mmu:68553",
            "name": "",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+mmu:68553",
            "resource": "KEGG Pathway"
        }
    ],
    "orthologs": [
        {
            "uniprot_canonical_ac": "F1M6H4-1",
            "protein_name": "Collagen, type VI, alpha 4",
            "gene_name": "Col6a4",
            "tax_id": 10116,
            "organism": "Rattus norvegicus",
            "sequence": {
                "sequence": "MGTWKTLWLIISFAAGLGFIKSQRTVCREASVGDIVFLVHTNIDPQHAQSVRNFLYILANSLQVGGDNIRVSLALYGDTPTTEFLLSAYPRKGDVLKHIRGLQFKPGGNRMGQSLQFILEHHFPEGAGSRASQGVPQVALVMSTGVAEDHFREPAEALKREGILLYAIGVKDAAQAELREIASSPKDNFTFFVPNFSGLPGLAQKLRPELCTTLAKVVQHTEQGSPACTEAFLADIVFLVDSSTSIGLQNFQKVKNFLHSIVSGLDVRSDQVQVGLVQYSDNIYPAFQLKQSSLKSVVLEQIRNLPYNMGSTNTGSALEFIRANYLTEMSGSRAKDGVPQIVILVTDGESNDEVQDAADQLKRDGVFVYVVGINIQDVQELQKIASEPFEEFLFTTENFNILQELSGSLSQAVCSTVEREMKKCLAPIPTDLVFLVEEFTSAGQPNFQQVIKLLKTTVHSLNIHPDIVRVSLVFYSEKPQLKFSLNTFQNAAQVLTSLDQLTFRARRGRTKAGAALDFLRKEVFLPEKGSRSIWGVQQIAVIIMESPSLDNVSTPASHLRRTGVTIYAVGIQSASESKDLEKIATYPPGKHTIHLESFLQLDVVRKILNKKLCPETLGKMPPVGSMPPGAEMPPGAEMPPGGKMPPLTGCTPQSMQKVCTHVEKADIYFLIDGSGSISPKDFTEMKEFMKDVIKMFHIGPDGVRFGVVQYSDKIISQFLLTQYTSMEKLGTAIGNIQQGGGGTTTGELSKMALVFRNTARTNVAQYLIVITDGQSSDPVADAAQGLRDTGINIYAIGVRDANTTELEEIANNRVFFTDDFHFLKSIHQEVVRDICSFENCRSQKADIIFLIDGSESISSEDFEKIKDFVKRMVNQSNIGADKIQIGLLQFSSTPREEFTLKNNYSSKDEMCRAISNVTQINSGTETGKALNFTLPFFDISQGGRPGVHQYLIVITDGDSHDDIVSPAKALRDRNIIIFAIGVGKIQRAQLLAITNDQDKVYHEENFESLQNLEKEILYEVCTSQGCSMDLSVGVDTSTSSGRAQQELGRFLPGLLQQLALLSNISCEAPGQMEPRFRYVVPGSSSRPVFDSGFEKYNDETVQKFLVQQGSANNRLNVDFLKSLGETAIHSSSANVKVLLVFTDGLDEDLERLRRTSELLRSGGLSGLLVIGLGGAHKLEELQELEFGKGFAYRQPLSSSLPSLPSVLLKQLDTIVEKACCYVCAKCYGDDGVRGDPGSLGKEGERGLDGLPGHPGEDGDHGPRGPRGLPGLRGEEGCPGVRGPKGARGFSGEKGNPGDEGVEGLDGEQGDRGAAGSSGEKGSRGSQGLTGLPGPAGSRGEPGLRGDPGDPGIDNFIQGPKGEKGRRGRQGSSGFHGLLGETGSVGPWGSLGRRGLPGLKGVLGEAGELGYQGEPGYPGPQGPRGRQGPPGSFGQKGDAGAQGNPGPPGPNGSRGTDGPRGLKGELGHTGERGPRGQQGSRGQPGRFGLDGYGHPGRKGKKGEPGFPGYPGLQGEDGNPGRGGEKGAKGIRGKRGSSGFPGFAGTPGDQGPPGKMGIKGPKGLADRTPCEIVDFVRGNCPPCQGISRCPAFPTEVVFALDMSNDVSQSDFERMRNILLSLLMKLEMSESNCPTGARVAIVSYNMRTDYLVRLSDHRGKATLLQAVRKIPLERSSGFRNLGATMKFVARHVFKRVRSGFLVRKVAVFFQVGGNYDATSVNTAMLELHAANIVTAVVTFTEDHNLPDALLVDGLNTFHLFTWETEHQQDVERLVSCTLCYDKCRPAPGCRVESPRPQELDMDLVFLVDSSQGVSRDIYLGALRLVDSVLKDLEVAAQPGTSWHGARVALLTHTTPGFWPGVGQDPVLEYFHLTSHGHRTQMQRQIQEAASGLLQGAPALGHALEWTLEKVLLAAILPRRSQVLFAIVASETSIWDRETLRALSLEAKCKGITLFVLAVGPGVGAQELTELANVASAPSEQHLLRLEGVSEAEVAYASRFTEAFLNLLKSGINQYPPPELNEECGGPNRGDTLLQFFTSAKRLSKPRFGTSAATGYDSGAPKPQDSFLRGKRKIRTLSVAQQETLGSLGRDRADAEETPAKGRRSGAAHGEIPNLVL",
                "length": 2113
            },
            "evidence": [
                {
                    "id": "A2AX52",
                    "url": "https://omabrowser.org/oma/group/A2AX52/",
                    "database": "OMA"
                }
            ],
            "common_name": "Rat"
        }
    ],
    "go_annotation": {
        "categories": [
            {
                "name": "Cellular Component",
                "total": 5,
                "go_terms": [
                    {
                        "name": "extracellular region",
                        "id": "GO:0005576",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005576",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "18400749"
                    },
                    {
                        "name": "extracellular matrix",
                        "id": "GO:0031012",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0031012",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "26571399"
                    },
                    {
                        "name": "collagen trimer",
                        "id": "GO:0005581",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005581",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "protein-containing complex",
                        "id": "GO:0032991",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0032991",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "18400749"
                    },
                    {
                        "name": "collagen-containing extracellular matrix",
                        "id": "GO:0062023",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0062023",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "22159717"
                    }
                ]
            },
            {
                "name": "Biological Process",
                "total": 2,
                "go_terms": [
                    {
                        "name": "cell adhesion",
                        "id": "GO:0007155",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0007155",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": ""
                    },
                    {
                        "name": "extracellular matrix organization",
                        "id": "GO:0030198",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0030198",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "26571399"
                    }
                ]
            },
            {
                "name": "Molecular Function",
                "total": 1,
                "go_terms": [
                    {
                        "name": "collagen binding",
                        "id": "GO:0005518",
                        "url": "https://www.ebi.ac.uk/QuickGO/term/GO:0005518",
                        "evidence": [
                            {
                                "database": "UniProtKB",
                                "id": "A2AX52",
                                "url": "https://www.uniprot.org/uniprot/A2AX52"
                            }
                        ],
                        "pmid": "18400749"
                    }
                ]
            }
        ]
    },
    "pro_annotation": [],
    "site_annotation": [
        {
            "start_pos": 1058,
            "end_pos": 1060,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 1114,
            "end_pos": 1116,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 1246,
            "end_pos": 1248,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 188,
            "end_pos": 190,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 2235,
            "end_pos": 2237,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 398,
            "end_pos": 400,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 754,
            "end_pos": 756,
            "annotation": "n_glycosylation_sequon"
        },
        {
            "start_pos": 986,
            "end_pos": 988,
            "annotation": "n_glycosylation_sequon"
        }
    ],
    "ptm_annotation": [],
    "interactions": [],
    "reactions": [],
    "reaction_participants": [],
    "reaction_enzymes": [],
    "synthesized_glycans": [],
    "cluster_types": [
        {
            "name": "isoformset.uniprotkb",
            "label": "Isoforms"
        },
        {
            "name": "homologset.oma",
            "label": "OMA Homologs"
        }
    ]
}
