Tetrahydroxypteridine cycloisomerase
tetrahydroxypteridine cycloisomerase | |||||||||
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Identifiers | |||||||||
EC no. | 5.5.1.3 | ||||||||
CAS no. | 37318-54-0 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a tetrahydroxypteridine cycloisomerase (EC 5.5.1.3) is an enzyme that catalyzes the chemical reaction
- tetrahydroxypteridine xanthine-8-carboxylate
Hence, this enzyme has one substrate, tetrahydroxypteridine, and one product, xanthine-8-carboxylate.
This enzyme belongs to the family of isomerases, specifically the class of intramolecular lyases. The systematic name of this enzyme class is tetrahydroxypteridine lyase (isomerizing). It employs one cofactor, NAD+.
References
- Mcnutt WS, Damle SP (December 1964). "Tetraoxypteridine isomerase". The Journal of Biological Chemistry. 239: 4272–9. PMID 14247682.
- v
- t
- e
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- 3-carboxy-cis,cis-muconate cycloisomerase
- tetrahydroxypteridine cycloisomerase
- inositol-3-phosphate synthase
- carboxy-cis,cis-muconate cyclase
- chalcone isomerase
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- cycloeucalenol cycloisomerase
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- dichloromuconate cycloisomerase
- copalyl diphosphate synthase
- ent-copalyl diphosphate synthase
- syn-copalyl-diphosphate synthase
- terpentedienyl-diphosphate synthase
- halimadienyl-diphosphate synthase
- (S)-beta-macrocarpene synthase
- lycopene epsilon-cyclase
- lycopene beta-cyclase
- prosolanapyrone-III cycloisomerase
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- e