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{
"metadata": {
"accession": "Q2U852",
"id": "CSYB_ASPOR",
"source_organism": {
"taxId": "510516",
"scientificName": "Aspergillus oryzae (strain ATCC 42149 / RIB 40)",
"fullName": "Aspergillus oryzae (strain ATCC 42149 / RIB 40) (Yellow koji mold)"
},
"name": "Acylalkylpyrone synthase csyB",
"description": [
"Acylalkylpyrone synthase that catalyzes not only the polyketide chain elongation but also the one-pot condensation of two beta-ketoacyl units to produce the 3-acyl-4-hydroxy-6-alkyl-alpha-pyrone (AcAP) scaffold, a precursor of csypyrone B (Probable) (PubMed:20471846, PubMed:23290452, PubMed:24011646, PubMed:24895122, PubMed:25564614). The enzyme reaction is initiated by the loading of acetoacetyl-CoA onto Cys-155, and subsequent thioester bond cleavage by the nucleophilic water generates the beta-keto acid intermediate, which is placed within a pocket (PubMed:25564614). The second beta-ketoacyl unit is then produced by polyketide chain elongation of fatty acyl-CoA with one molecule of malonyl-CoA, and the condensation with the beta-ketoacid generates the final products (PubMed:24895122, PubMed:25564614). Csypyrone B1 is the major product and contains a propanoic acid side-chain, whereas csypyrones B2 and B3 are minor compounds that contain butyric or pentanoic acid side-chains, respectively (PubMed:20471846, PubMed:23290452, PubMed:24011646)"
],
"length": 397,
"sequence": "MIEPLPTEDIPKQSVSIVGIASRCAPHKLGADELEAIARRHYSSTPSLEKMLEINRKTRIDHRYSVFSSDHEHWHRPTIPSFSECDSLFKEYGIPLASAASARAIQDWGGVPDEITHLVAVTCTNTAHPGFDSVLCRKLGLKCNVRRVLLHGIGCGGGISAMRVAHELLLGSTQQGVPARALIVACEVPTVFARSELDIMDKTQDVNVAMCLFGDCAAALVLSNGIGHKASEQRPIWNILNCEPTQFDGTEDIAHFNVHDKGYHAIIDKRIPQLTGKCVPAGFQSLISSTPSLALEEKNYVPSNYGWAVHPGGYAVLVAAQDALGLTADDLRASYDAYRDGGNTISTTIIRILEKLRDEHKHGSNQKDKLVLAAIGHGITLETAILTRPGSSSYLHA",
"proteome": "UP000006564",
"gene": "csyB",
"go_terms": [
{
"identifier": "GO:0016746",
"name": "acyltransferase activity",
"category": {
"code": "F",
"name": "molecular_function"
}
},
{
"identifier": "GO:0016747",
"name": "acyltransferase activity, transferring groups other than amino-acyl groups",
"category": {
"code": "F",
"name": "molecular_function"
}
},
{
"identifier": "GO:0009058",
"name": "biosynthetic process",
"category": {
"code": "P",
"name": "biological_process"
}
}
],
"protein_evidence": 1,
"source_database": "reviewed",
"is_fragment": false,
"in_alphafold": true,
"in_bfvd": false,
"ida_accession": "8b35207b412f63cbf238bee19f3fdffaffcc0a02",
"counters": {
"domain_architectures": 17176,
"entries": 10,
"isoforms": 0,
"proteomes": 1,
"sets": 1,
"structures": 3,
"taxa": 1,
"dbEntries": {
"ssf": 1,
"cathgene3d": 1,
"pfam": 2,
"pirsf": 1,
"panther": 1,
"interpro": 4
},
"proteome": 1,
"taxonomy": 1,
"similar_proteins": 17176
}
}
}