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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC 1.1.1.325

Accepted Name
Sepiapterin reductase (L-threo-7,8-dihydrobiopterin forming).
Reaction catalysed
  • L-threo-7,8-dihydrobiopterin + NADP(+) <=> sepiapterin + NADPH
  • L-threo-tetrahydrobiopterin + 2 NADP(+) <=> 6-pyruvoyl-5,6,7,8-tetrahydropterin + 2 NADPH
Comment(s)
  • This enzyme, isolated from the bacterium Chlorobium tepidum, catalyzes the final step in the de novo synthesis of tetrahydrobiopterin from GTP.
  • Cf. EC 1.1.1.153.
Cross-references
BRENDA1.1.1.325
EC2PDB1.1.1.325
ExplorEnz1.1.1.325
PRIAM enzyme-specific profiles1.1.1.325
KEGG Ligand Database for Enzyme Nomenclature1.1.1.325
IUBMB Enzyme Nomenclature1.1.1.325
IntEnz1.1.1.325
MEDLINEFind literature relating to 1.1.1.325
MetaCyc1.1.1.325
UniProtKB/Swiss-Prot
Q8KES3, SPRE_CHLTE

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.1.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 1.-.-.-