KEGG   REACTION: R05681
Entry
R05681                      Reaction                               
Name
NAD-dependent threonine 4-phosphate dehydrogenase
Definition
O-Phospho-4-hydroxy-L-threonine + NAD+ <=> 2-Amino-3-oxo-4-phosphonooxybutyrate + NADH + H+
Equation
C06055 + C00003 <=> C07335 + C00004 + C00080
Comment
the first step of two-step reaction (see R05837, R05681+R07406)
Reaction class
RC00001  C00003_C00004
RC00089  C06055_C07335
Enzyme
1.1.1.262
Pathway
rn00750  Vitamin B6 metabolism
rn01100  Metabolic pathways
rn01240  Biosynthesis of cofactors
Module
M00124  Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P
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
    1.1.1.262
     R05681  O-Phospho-4-hydroxy-L-threonine + NAD+ <=> 2-Amino-3-oxo-4-phosphonooxybutyrate + NADH + H+
Orthology
K00097  4-hydroxythreonine-4-phosphate dehydrogenase [EC:1.1.1.262]
LinkDB

KEGG   REACTION: R07406
Entry
R07406                      Reaction                               
Definition
2-Amino-3-oxo-4-phosphonooxybutyrate <=> 3-Amino-2-oxopropyl phosphate + CO2
Equation
C07335 <=> C11638 + C00011
Comment
spontaneous
second step of two-step reaction (see R05837, R05681+R07406)
Reaction class
RC00675  C07335_C11638
Enzyme
1.1.1.262
Pathway
rn00750  Vitamin B6 metabolism
rn01100  Metabolic pathways
rn01240  Biosynthesis of cofactors
Module
M00124  Pyridoxal-P biosynthesis, erythrose-4P => pyridoxal-P
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
    1.1.1.262
     R07406  2-Amino-3-oxo-4-phosphonooxybutyrate <=> 3-Amino-2-oxopropyl phosphate + CO2
Orthology
K00097  4-hydroxythreonine-4-phosphate dehydrogenase [EC:1.1.1.262]
LinkDB

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