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Statements

Subject Item
dbr:3,4-dihydroxy-2-butanone-4-phosphate_synthase
rdf:type
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rdfs:label
3,4-dihydroxy-2-butanone-4-phosphate synthase
rdfs:comment
The enzyme 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (RibB) EC 4.1.99.12 catalyses the conversion of D-ribulose 5-phosphate to formate and , the latter serving as the biosynthetic precursor for the xylene ring of riboflavin. In Photobacterium leiognathi, the riboflavin synthesis genes ribB (DHBP synthase), ribE (riboflavin synthase), ribH (lumazine synthase) and ribA (GTP cyclohydrolase II) all reside in the lux operon. RibB is sometimes found as a bifunctional enzyme with GTP cyclohydrolase II that catalyses the first committed step in the biosynthesis of riboflavin. No sequences with significant homology to DHBP synthase are found in the metazoa.
dbp:name
DHBP_synthase
foaf:depiction
n10:PDB_1g58_EBI.jpg
dcterms:subject
dbc:Protein_families
dbo:wikiPageID
32602186
dbo:wikiPageRevisionID
1100737020
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owl:sameAs
dbpedia-sr:3,4-Dihidroksi-2-butanon-4-fosfatna_sintaza wikidata:Q4634080 freebase:m.0h1g671 dbpedia-sh:3,4-Dihidroksi-2-butanon-4-fosfatna_sintaza n20:4JXfb yago-res:3,4-dihydroxy-2-butanone-4-phosphate_synthase
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dbp:scop
1
dbp:caption
crystal structure of 3,4-dihydroxy-2-butanone 4-phosphate synthase gold derivative
dbp:interpro
IPR000422
dbp:pfam
PF00926
dbp:symbol
DHBP_synthase
dbo:abstract
The enzyme 3,4-dihydroxy-2-butanone 4-phosphate synthase (DHBP synthase) (RibB) EC 4.1.99.12 catalyses the conversion of D-ribulose 5-phosphate to formate and , the latter serving as the biosynthetic precursor for the xylene ring of riboflavin. In Photobacterium leiognathi, the riboflavin synthesis genes ribB (DHBP synthase), ribE (riboflavin synthase), ribH (lumazine synthase) and ribA (GTP cyclohydrolase II) all reside in the lux operon. RibB is sometimes found as a bifunctional enzyme with GTP cyclohydrolase II that catalyses the first committed step in the biosynthesis of riboflavin. No sequences with significant homology to DHBP synthase are found in the metazoa.
gold:hypernym
dbr:Enzyme
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DHBP_synthase
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Subject Item
dbr:List_of_EC_numbers_(EC_4)
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dbr:3,4-dihydroxy-2-butanone-4-phosphate_synthase
Subject Item
dbr:D-ribulose_5-phosphate_formate-lyase_(L-3,4-dihydroxybutan-2-one_4-phosphate-forming)
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Subject Item
dbr:EC_4.1.99.12
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wikipedia-en:3,4-dihydroxy-2-butanone-4-phosphate_synthase
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dbr:3,4-dihydroxy-2-butanone-4-phosphate_synthase