{
    "uniprot_canonical_ac": "P06106-1",
    "uniprot_ac": "P06106",
    "uniprot_id": "CYSD_YEAST",
    "mass": {
        "chemical_mass": 48672.0,
        "monoisotopic_mass": 48672.0
    },
    "refseq": {
        "ac": "NP_013406",
        "name": "bifunctional cysteine synthase/O-acetylhomoserine aminocarboxypropyltransferase MET17",
        "summary": "",
        "url": "https://www.ncbi.nlm.nih.gov/protein/NP_013406"
    },
    "gene_names": [
        {
            "name": "MET17",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "id": "P06106"
        },
        {
            "name": "L8003.1",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "id": "P06106"
        },
        {
            "name": "MET15; MET25",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_013406",
            "id": "NP_013406"
        },
        {
            "name": "MET15",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "id": "P06106"
        },
        {
            "name": "MET17",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_013406",
            "id": "NP_013406"
        },
        {
            "name": "MET25",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "id": "P06106"
        }
    ],
    "protein_names": [
        {
            "name": "Homocysteine/cysteine synthase",
            "resource": "UniProtKB",
            "type": "recommended",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "2.5.1.47",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "2.5.1.49",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "O-acetylserine/O-acetylhomoserine sulfhydrylase",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "OAS-OAH SHLase",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "OAS-OAH sulfhydrylase",
            "resource": "UniProtKB",
            "type": "synonym",
            "url": "",
            "id": "P06106"
        },
        {
            "name": "bifunctional cysteine synthase/O-acetylhomoserine aminocarboxypropyltransferase MET17",
            "resource": "RefSeq",
            "type": "synonym",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_013406",
            "id": "NP_013406"
        }
    ],
    "function": [
        {
            "annotation": "Catalyzes the conversion of O-acetyl-L-homoserine (OAH) into homocysteine in the methionine biosynthesis pathway (PubMed:7765825, PubMed:4609980, PubMed:795806, PubMed:36455053, PubMed:36379252). Required to efficiently reduce toxic levels of hydrogen sulfide generated when the sulfate assimilation pathway (SAP) is active (PubMed:36455053, PubMed:36379252). Also catalyzes the conversion of O-acetylserine (OAS) into cysteine, the last step in the cysteine biosynthesis pathway (PubMed:7765825, PubMed:4609980, PubMed:795806, PubMed:36455053). However, it seems that in S.cerevisiae cysteine biosynthesis occurs exclusively through the cystathionine pathway and not via direct incorporation of sulfur into OAS (PubMed:1732168). It therefore has no metabolic role in cysteine biosynthesis and may only have a regulatory role controlling OAS levels (PubMed:12586406).",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106#function"
                },
                {
                    "database": "PubMed",
                    "id": "795806",
                    "url": "https://glygen.org/publication/PubMed/795806"
                },
                {
                    "database": "PubMed",
                    "id": "4609980",
                    "url": "https://glygen.org/publication/PubMed/4609980"
                },
                {
                    "database": "PubMed",
                    "id": "36379252",
                    "url": "https://glygen.org/publication/PubMed/36379252"
                },
                {
                    "database": "PubMed",
                    "id": "1732168",
                    "url": "https://glygen.org/publication/PubMed/1732168"
                },
                {
                    "database": "PubMed",
                    "id": "36455053",
                    "url": "https://glygen.org/publication/PubMed/36455053"
                },
                {
                    "database": "PubMed",
                    "id": "12586406",
                    "url": "https://glygen.org/publication/PubMed/12586406"
                },
                {
                    "database": "PubMed",
                    "id": "7765825",
                    "url": "https://glygen.org/publication/PubMed/7765825"
                }
            ]
        }
    ],
    "disease": [],
    "snv": [],
    "mutagenesis": [],
    "expression_tissue": [],
    "expression_disease": [],
    "species": [
        {
            "name": "Saccharomyces cerevisiae S288C",
            "taxid": 559292,
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "common_name": "Yeast"
        }
    ],
    "gene": [
        {
            "name": "MET17",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "locus": {
                "chromosome": "XII",
                "start_pos": 733876,
                "end_pos": 732542,
                "strand": "-",
                "evidence": [
                    {
                        "database": "Ensembl Gene",
                        "id": "YLR303W",
                        "url": "https://www.ensembl.org/id/YLR303W"
                    }
                ]
            }
        }
    ],
    "crossref": [
        {
            "id": "cd00614",
            "url": "https://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd00614",
            "database": "CDD",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "851010",
            "url": "https://www.ncbi.nlm.nih.gov/gene/851010",
            "database": "GeneID",
            "categories": [
                "Genome Annotation"
            ]
        },
        {
            "id": "P06106",
            "url": "https://www.ebi.ac.uk/intact/interactors/id:P06106*",
            "database": "IntAct",
            "categories": [
                "Other"
            ]
        },
        {
            "id": "IPR000277",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR000277",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR006235",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR006235",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR015421",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR015421",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR015422",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR015422",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "IPR015424",
            "url": "https://www.ebi.ac.uk/interpro/entry/IPR015424",
            "database": "InterPro",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "sce:YLR303W",
            "url": "https://www.genome.jp/dbget-bin/get_linkdb?-t+pathway+sce:YLR303W",
            "database": "KEGG Pathway",
            "categories": [
                "Enzyme and Pathway"
            ]
        },
        {
            "id": "TYTLFAH",
            "url": "https://omabrowser.org/oma/group/TYTLFAH/",
            "database": "OMA",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "6018at2759",
            "url": "http://www.orthodb.org/?query=6018at2759",
            "database": "OrthoDB",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR43797",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR43797",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PTHR43797:SF2",
            "url": "http://www.pantherdb.org/panther/family.do?clsAccession=PTHR43797:SF2",
            "database": "PANTHER",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PF01053",
            "url": "http://pfam.xfam.org/family/PF01053",
            "database": "Pfam",
            "categories": [
                "Protein Classification"
            ]
        },
        {
            "id": "PR_P06106",
            "url": "http://purl.obolibrary.org/obo/PR_P06106",
            "database": "PRO",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "NP_013406",
            "url": "https://www.ncbi.nlm.nih.gov/protein/NP_013406",
            "database": "RefSeq",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "S000004294",
            "url": "https://www.yeastgenome.org/locus/S000004294",
            "database": "SGD",
            "categories": [
                "Organism-specific"
            ]
        },
        {
            "id": "P06106",
            "url": "https://www.uniprot.org/uniprot/P06106",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        },
        {
            "id": "P06106-1",
            "url": "https://www.uniprot.org/uniprot/P06106-1",
            "database": "UniProtKB",
            "categories": [
                "Protein"
            ]
        }
    ],
    "sequence": {
        "sequence": "MPSHFDTVQLHAGQENPGDNAHRSRAVPIYATTSYVFENSKHGSQLFGLEVPGYVYSRFQNPTSNVLEERIAALEGGAAALAVSSGQAAQTLAIQGLAHTGDNIVSTSYLYGGTYNQFKISFKRFGIEARFVEGDNPEEFEKVFDERTKAVYLETIGNPKYNVPDFEKIVAIAHKHGIPVVVDNTFGAGGYFCQPIKYGADIVTHSATKWIGGHGTTIGGIIVDSGKFPWKDYPEKFPQFSQPAEGYHGTIYNEAYGNLAYIVHVRTELLRDLGPLMNPFASFLLLQGVETLSLRAERHGENALKLAKWLEQSPYVSWVSYPGLASHSHHENAKKYLSNGFGGVLSFGVKDLPNADKETDPFKLSGAQVVDNLKLASNLANVGDAKTLVIAPYFTTHKQLNDKEKLASGVTKDLIRVSVGIEFIDDIIADFQQSFETVFAGQKP",
        "length": 444,
        "header": "sp|P06106-1|CYSD_YEAST Isoform 1 of Homocysteine/cysteine synthase  OS=Saccharomyces cerevisiae S288C OX=559292 GN=MET17 PE=1 SV=3 CANONICAL=P06106-1"
    },
    "isoforms": [
        {
            "isoform_ac": "P06106-1",
            "url": "",
            "sequence": {
                "sequence": "MPSHFDTVQLHAGQENPGDNAHRSRAVPIYATTSYVFENSKHGSQLFGLEVPGYVYSRFQNPTSNVLEERIAALEGGAAALAVSSGQAAQTLAIQGLAHTGDNIVSTSYLYGGTYNQFKISFKRFGIEARFVEGDNPEEFEKVFDERTKAVYLETIGNPKYNVPDFEKIVAIAHKHGIPVVVDNTFGAGGYFCQPIKYGADIVTHSATKWIGGHGTTIGGIIVDSGKFPWKDYPEKFPQFSQPAEGYHGTIYNEAYGNLAYIVHVRTELLRDLGPLMNPFASFLLLQGVETLSLRAERHGENALKLAKWLEQSPYVSWVSYPGLASHSHHENAKKYLSNGFGGVLSFGVKDLPNADKETDPFKLSGAQVVDNLKLASNLANVGDAKTLVIAPYFTTHKQLNDKEKLASGVTKDLIRVSVGIEFIDDIIADFQQSFETVFAGQKP",
                "length": 444,
                "header": "sp|P06106-1|CYSD_YEAST Isoform 1 of Homocysteine/cysteine synthase  OS=Saccharomyces cerevisiae S288C OX=559292 GN=MET17 PE=1 SV=3 CANONICAL=P06106-1"
            },
            "locus": {
                "chromosome": "XII",
                "start_pos": 733873,
                "end_pos": 732542,
                "strand": "-",
                "evidence": [
                    {
                        "database": "Ensembl Transcript",
                        "id": "YLR303W_mRNA",
                        "url": "https://www.ensembl.org/id/YLR303W_mRNA"
                    },
                    {
                        "database": "Ensembl Peptide",
                        "id": "YLR303W",
                        "url": "https://www.ensembl.org/id/YLR303W"
                    }
                ]
            }
        }
    ],
    "glycosylation": [],
    "phosphorylation": [
        {
            "start_pos": 34,
            "end_pos": 34,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Ser",
            "comment": "",
            "evidence": [
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                },
                {
                    "database": "SGD",
                    "id": "P06106",
                    "url": "https://www.yeastgenome.org/locus/P06106"
                }
            ],
            "site_lbl": "Ser34"
        },
        {
            "start_pos": 35,
            "end_pos": 35,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Tyr",
            "comment": "",
            "evidence": [
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                },
                {
                    "database": "SGD",
                    "id": "P06106",
                    "url": "https://www.yeastgenome.org/locus/P06106"
                }
            ],
            "site_lbl": "Tyr35"
        },
        {
            "start_pos": 377,
            "end_pos": 377,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Ser",
            "comment": "",
            "evidence": [
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                },
                {
                    "database": "SGD",
                    "id": "P06106",
                    "url": "https://www.yeastgenome.org/locus/P06106"
                }
            ],
            "site_lbl": "Ser377"
        },
        {
            "start_pos": 44,
            "end_pos": 44,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Ser",
            "comment": "Phosphoserine",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                },
                {
                    "database": "PubMed",
                    "id": "17330950",
                    "url": "https://glygen.org/publication/PubMed/17330950"
                },
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "17563356",
                    "url": "https://glygen.org/publication/PubMed/17563356"
                },
                {
                    "database": "SGD",
                    "id": "P06106",
                    "url": "https://www.yeastgenome.org/locus/P06106"
                }
            ],
            "site_lbl": "Ser44"
        },
        {
            "start_pos": 63,
            "end_pos": 63,
            "kinase_uniprot_canonical_ac": "",
            "kinase_gene_name": "",
            "residue": "Thr",
            "comment": "",
            "evidence": [
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                },
                {
                    "database": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                },
                {
                    "database": "SGD",
                    "id": "P06106",
                    "url": "https://www.yeastgenome.org/locus/P06106"
                }
            ],
            "site_lbl": "Thr63"
        }
    ],
    "glycation": [],
    "keywords": [
        "enzyme"
    ],
    "publication": [
        {
            "title": "Subcellular localization of the yeast proteome.",
            "journal": "Genes Dev.",
            "date": "2002",
            "authors": "Kumar A., Liu Y., Snyder M., Miller P., Agarwal S., Cheung K.-H., Jansen R., Heidtman M., Gerstein M., Roeder G.S., Drawid A., Heyman J.A., Matson S., Piccirillo S., Umansky L.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "11914276",
                    "url": "https://glygen.org/publication/PubMed/11914276"
                }
            ]
        },
        {
            "title": "Role of Saccharomyces cerevisiae serine O-acetyltransferase in cysteine biosynthesis.",
            "journal": "FEMS Microbiol. Lett.",
            "date": "2003",
            "authors": "Yoshioka K., Takagi H., Nakamori S., Ono B., Awano N.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "12586406",
                    "url": "https://glygen.org/publication/PubMed/12586406"
                }
            ]
        },
        {
            "title": "Genetic analysis of a new mutation conferring cysteine auxotrophy in Saccharomyces cerevisiae: updating of the sulfur metabolism pathway.",
            "journal": "Genetics",
            "date": "1992",
            "authors": "Cherest H., Surdin-Kerjan Y.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "1732168",
                    "url": "https://glygen.org/publication/PubMed/1732168"
                }
            ]
        },
        {
            "title": "Approaching a complete repository of sequence-verified protein-encoding clones for Saccharomyces cerevisiae.",
            "journal": "Genome Res.",
            "date": "2007",
            "authors": "Hu Y., LaBaer J., Moreira D., Raphael J., Rolfs A., Zuo D., Richardson A., Simpson A.J.G., Zhu C., Harlow E., Camargo A.A., Jepson D., Kelley F., McCarron S., Taycher E., Kolodner R.D., Kane M.F., Williamson J., Berger M.F., Bulyk M.L., Bhullar B., Mohr S., Marsischky G., Murthy T.V.S.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "17322287",
                    "url": "https://glygen.org/publication/PubMed/17322287"
                }
            ]
        },
        {
            "title": "Large-scale phosphorylation analysis of alpha-factor-arrested Saccharomyces cerevisiae.",
            "journal": "Journal of proteome research",
            "date": "2007-03",
            "authors": "Li Xue, Gerber Scott A, Rudner Adam D, Beausoleil Sean A, Haas Wilhelm, Vill\u00e9n Judit, Elias Joshua E, Gygi Steve P",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                },
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "17330950",
                    "url": "https://glygen.org/publication/PubMed/17330950"
                }
            ]
        },
        {
            "title": "Proteome-wide identification of in vivo targets of DNA damage checkpoint kinases.",
            "journal": "Proceedings of the National Academy of Sciences of the United States of America",
            "date": "2007-06-19",
            "authors": "Smolka Marcus B, Albuquerque Claudio P, Chen Sheng-hong, Zhou Huilin",
            "evidence": [
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "17563356",
                    "url": "https://glygen.org/publication/PubMed/17563356"
                }
            ]
        },
        {
            "title": "Role of hydrosulfide ions (HS-) in methylmercury resistance in Saccharomyces cerevisiae.",
            "journal": "Appl. Environ. Microbiol.",
            "date": "1991",
            "authors": "Ishii N., Fujino S., Ono B., Aoyama I.",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "1781681",
                    "url": "https://glygen.org/publication/PubMed/1781681"
                }
            ]
        },
        {
            "title": "A multidimensional chromatography technology for in-depth phosphoproteome analysis.",
            "journal": "Molecular & cellular proteomics : MCP",
            "date": "2008-07",
            "authors": "Albuquerque Claudio P, Smolka Marcus B, Payne Samuel H, Bafna Vineet, Eng Jimmy, Zhou Huilin",
            "evidence": [
                {
                    "database": "UniProtKB",
                    "id": "P06106",
                    "url": "https://www.uniprot.org/uniprot/P06106"
                },
                {
                    "database": "iPTMnet",
                    "id": "P06106",
                    "url": "http://research.bioinformatics.udel.edu/iptmnet/entry/P06106"
                }
            ],
            "reference": [
                {
                    "type": "PubMed",
                    "id": "18407956",
                    "url": "https://glygen.org/publication/PubMed/18407956"
                }
            ]
        },
        {
            "title": "Sites of ubiquitin attachment in Saccharomyces cerevisiae.",
            "journal": "Proteomics",
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