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ENZYME entry: EC 1.1.1.287

Accepted Name
D-arabinitol dehydrogenase (NADP(+)).
Alternative Name(s)
D-arabinitol dehydrogenase 1.
NADP(+)-dependent D-arabinitol dehydrogenase.
Reaction catalysed
  • D-arabinitol + NADP(+) <=> D-xylulose + NADPH
  • D-arabinitol + NADP(+) <=> D-ribulose + NADPH
Comment(s)
  • The enzyme from the rust fungus Uromyces fabae can use D-arabinitol and D-mannitol as substrates in the forward direction and D-xylulose, D-ribulose and, to a lesser extent, D-fructose as substrates in the reverse direction.
  • This enzyme carries out the reactions of both EC 1.1.1.11 and EC 1.1.1.250, but unlike them, uses NADP(+) rather than NAD(+) as cofactor.
  • D-arabinitol is capable of quenching reactive oxygen species involved in defense reactions of the host plant.
Cross-references
PROSITEPDOC00058
BRENDA1.1.1.287
EC2PDB1.1.1.287
ExplorEnz1.1.1.287
PRIAM enzyme-specific profiles1.1.1.287
KEGG Ligand Database for Enzyme Nomenclature1.1.1.287
IUBMB Enzyme Nomenclature1.1.1.287
IntEnz1.1.1.287
MEDLINEFind literature relating to 1.1.1.287
MetaCyc1.1.1.287
UniProtKB/Swiss-Prot
Q4R0J7, ARD1_UROFA

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