KEGG   REACTION: R04285
Entry
R04285                      Reaction                               
Name
6-lactoyl-5,6,7,8-tetrahydropterin:NADP+ 2'-oxidoreductase
Definition
6-Lactoyl-5,6,7,8-tetrahydropterin + NADP+ <=> 6-Pyruvoyltetrahydropterin + NADPH + H+
Equation
Reaction class
RC00001  C00005_C00006
RC00205  C03684_C04244
Enzyme
1.1.1.21        1.1.1.184       1.1.1.220
Pathway
rn00790  Folate biosynthesis
rn01100  Metabolic pathways
Brite
Enzymatic reactions [BR:br08201]
 1. Oxidoreductase reactions
  1.1  Acting on the CH-OH group of donors
   1.1.1  With NAD+ or NADP+ as acceptor
    1.1.1.21
     R04285  6-Lactoyl-5,6,7,8-tetrahydropterin + NADP+ <=> 6-Pyruvoyltetrahydropterin + NADPH + H+
    1.1.1.184
     R04285  6-Lactoyl-5,6,7,8-tetrahydropterin + NADP+ <=> 6-Pyruvoyltetrahydropterin + NADPH + H+
    1.1.1.220
     R04285  6-Lactoyl-5,6,7,8-tetrahydropterin + NADP+ <=> 6-Pyruvoyltetrahydropterin + NADPH + H+
IUBMB reaction hierarchy [BR:br08202]
 1. Oxidoreductase reactions
  1.1.1.184
   R03557  Secondary alcohol <=> Ketone
    R04285  6-Lactoyl-5,6,7,8-tetrahydropterin <=> 6-Pyruvoyltetrahydropterin
Orthology
K00011  aldehyde reductase [EC:1.1.1.21]
K00079  carbonyl reductase 1 [EC:1.1.1.184 1.1.1.189 1.1.1.197]
Reference
1  [PMID:21867484]
  Authors
Werner ER, Blau N, Thony B
  Title
Tetrahydrobiopterin: biochemistry and pathophysiology.
  Journal
Biochem J 438:397-414 (2011)
DOI:10.1042/BJ20110293
Reference
2  [PMID:9405351]
  Authors
Auerbach G, Herrmann A, Gutlich M, Fischer M, Jacob U, Bacher A, Huber R.
  Title
The 1.25 A crystal structure of sepiapterin reductase reveals its binding mode to pterins and brain neurotransmitters.
  Journal
EMBO J 16:7219-30 (1997)
DOI:10.1093/emboj/16.24.7219
Reference
3  [PMID:3536512]
  Authors
Takikawa S, Curtius HC, Redweik U, Leimbacher W, Ghisla S.
  Title
Biosynthesis of tetrahydrobiopterin. Purification and characterization of 6-pyruvoyl-tetrahydropterin synthase from human liver.
  Journal
Eur J Biochem 161:295-302 (1986)
DOI:10.1111/j.1432-1033.1986.tb10446.x
Other DBs
RHEA: 11775

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