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{
"metadata": {
"accession": "Q8NBZ7",
"id": "UXS1_HUMAN",
"source_organism": {
"taxId": "9606",
"scientificName": "Homo sapiens",
"fullName": "Homo sapiens (Human)"
},
"name": "UDP-glucuronic acid decarboxylase 1",
"description": [
"Catalyzes the NAD-dependent decarboxylation of UDP-glucuronic acid to UDP-xylose (PubMed:22810237, PubMed:23656592, PubMed:25521717, PubMed:40836090). Necessary for the biosynthesis of the core tetrasaccharide in glycosaminoglycan biosynthesis (PubMed:22810237, PubMed:23656592, PubMed:25521717, PubMed:40836090). Catalyzes the synthesis of UDP-xylose in two steps: the hydroxyl group of UDP-glucuronic acid is first oxidized using an enzyme-bound NAD(+) as electron acceptor, favoring the decarboxylation yielding a UDP-4-ketoxylose reaction intermediate and a reduced cofactor NADH bound to the catalytic pocket (PubMed:22810237, PubMed:40836090). In the second step, the 4-keto group is reduced resulting in UDP-xylose and the restoration of the enzyme to its NAD(+)-bound form (PubMed:22810237, PubMed:40836090)"
],
"length": 420,
"sequence": "MVSKALLRLVSAVNRRRMKLLLGIALLAYVASVWGNFVNMRSIQENGELKIESKIEEMVEPLREKIRDLEKSFTQKYPPVKFLSEKDRKRILITGGAGFVGSHLTDKLMMDGHEVTVVDNFFTGRKRNVEHWIGHENFELINHDVVEPLYIEVDQIYHLASPASPPNYMYNPIKTLKTNTIGTLNMLGLAKRVGARLLLASTSEVYGDPEVHPQSEDYWGHVNPIGPRACYDEGKRVAETMCYAYMKQEGVEVRVARIFNTFGPRMHMNDGRVVSNFILQALQGEPLTVYGSGSQTRAFQYVSDLVNGLVALMNSNVSSPVNLGNPEEHTILEFAQLIKNLVGSGSEIQFLSEAQDDPQKRKPDIKKAKLMLGWEPVVPLEEGLNKAIHYFRKELEYQANNQYIPKPKPARIKKGRTRHS",
"proteome": "UP000005640",
"gene": "UXS1",
"go_terms": [
{
"identifier": "GO:0048040",
"name": "UDP-glucuronate decarboxylase activity",
"category": {
"code": "F",
"name": "molecular_function"
}
},
{
"identifier": "GO:0070403",
"name": "NAD+ binding",
"category": {
"code": "F",
"name": "molecular_function"
}
},
{
"identifier": "GO:0042732",
"name": "D-xylose metabolic process",
"category": {
"code": "P",
"name": "biological_process"
}
}
],
"protein_evidence": 1,
"source_database": "reviewed",
"is_fragment": false,
"in_alphafold": true,
"in_bfvd": false,
"ida_accession": "26f7b94384e3f210f14d97a0d22ce2fc81be1931",
"counters": {
"domain_architectures": 859,
"entries": 10,
"isoforms": 3,
"proteomes": 1,
"sets": 2,
"structures": 4,
"taxa": 1,
"dbEntries": {
"cathgene3d": 1,
"ssf": 1,
"cdd": 1,
"pfam": 2,
"panther": 1,
"interpro": 4
},
"proteome": 1,
"taxonomy": 1,
"similar_proteins": 859
}
}
}