KEGG   REACTION: R05048
Entry
R05048                      Reaction                               
Name
2,5-diaminopyrimidine nucleoside triphosphate mutase
Definition
2,5-Diaminopyrimidine nucleoside triphosphate <=> 2,5-Diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine
Equation
C05923 <=> C06148
Comment
the third step of four-step reaction (see R00424, R00428+R05046+R05048+R04639)
maybe spontaneous (Amadori rearrangement)
following after R05046
subsequently R04639
Reaction class
RC00945  C05923_C06148
Enzyme
3.5.4.16
Pathway
rn00790  Folate biosynthesis
rn01100  Metabolic pathways
Module
M00126  Tetrahydrofolate biosynthesis, GTP => THF
M00841  Tetrahydrofolate biosynthesis, mediated by PTPS, GTP => THF
M00842  Tetrahydrobiopterin biosynthesis, GTP => BH4
M00843  L-threo-Tetrahydrobiopterin biosynthesis, GTP => L-threo-BH4
M00988  PreQ1 biosynthesis, GTP => 7-Aminomethyl-7-deazaguanine
Brite
Enzymatic reactions [BR:br08201]
 3. Hydrolase reactions
  3.5  Acting on carbon-nitrogen bonds, other than peptide bonds
   3.5.4  In cyclic amidines
    3.5.4.16
     R05048  2,5-Diaminopyrimidine nucleoside triphosphate <=> 2,5-Diamino-6-(5'-triphosphoryl-3',4'-trihydroxy-2'-oxopentyl)-amino-4-oxopyrimidine
Orthology
K01495  GTP cyclohydrolase IA [EC:3.5.4.16]
K09007  GTP cyclohydrolase IB [EC:3.5.4.16]
K22391  GTP cyclohydrolase I [EC:3.5.4.16]
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