KEGG   REACTION: R03223
Entry
R03223                      Reaction                               

Name
2-methyl-4-amino-5-hydroxymethylpyrimidine-diphosphate:4-methyl-5-(2-phosphoethyl)-thiazole 2-methyl-4-aminopyridine-5-methenyltransferase
Definition
4-Amino-5-hydroxymethyl-2-methylpyrimidine diphosphate + 4-Methyl-5-(2-phosphooxyethyl)thiazole <=> Diphosphate + Thiamin monophosphate
Equation
Reaction class
RC00224  C01081_C04327
RC03397  C01081_C04752
Enzyme
Pathway
rn00730  Thiamine metabolism
rn01100  Metabolic pathways
rn01240  Biosynthesis of cofactors
Module
M00899  Thiamine salvage pathway, HMP/HET => TMP
Orthology
K00788  thiamine-phosphate pyrophosphorylase [EC:2.5.1.3]
K14153  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K14154  thiamine-phosphate diphosphorylase / hydroxyethylthiazole kinase [EC:2.5.1.3 2.7.1.50]
K21219  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K21220  thiamine-phosphate diphosphorylase [EC:2.5.1.3]
Other DBs
RHEA: 22331

KEGG   RCLASS: RC00224
Entry
RC00224                     RClass                                 

Definition
N5x-N5y:*-C1b:C8x+C8y-C8x+C8y
Reactant pair
Related class
Reaction
Enzyme
2.5.1.2         2.5.1.3         3.5.99.2
Pathway
rn00730  Thiamine metabolism
rn01100  Metabolic pathways
rn01240  Biosynthesis of cofactors
Orthology
K00788  thiamine-phosphate pyrophosphorylase [EC:2.5.1.3]
K00877  hydroxymethylpyrimidine/phosphomethylpyrimidine kinase / thiaminase [EC:2.7.1.49 2.7.4.7 3.5.99.2]
K03707  thiaminase (transcriptional activator TenA) [EC:3.5.99.2]
K10811  thiamine pyridinylase [EC:2.5.1.2]
K14153  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K14154  thiamine-phosphate diphosphorylase / hydroxyethylthiazole kinase [EC:2.5.1.3 2.7.1.50]
K21219  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K21220  thiamine-phosphate diphosphorylase [EC:2.5.1.3]

KEGG   RCLASS: RC03397
Entry
RC03397                     RClass                                 

Definition
C1b-C1b:N5y+*-*+O2b:C8y-C8y
Reactant pair
Related class
Reaction
Enzyme
Pathway
rn00730  Thiamine metabolism
rn01100  Metabolic pathways
rn01240  Biosynthesis of cofactors
Orthology
K00788  thiamine-phosphate pyrophosphorylase [EC:2.5.1.3]
K14153  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K14154  thiamine-phosphate diphosphorylase / hydroxyethylthiazole kinase [EC:2.5.1.3 2.7.1.50]
K21219  hydroxymethylpyrimidine kinase / phosphomethylpyrimidine kinase / thiamine-phosphate diphosphorylase [EC:2.7.1.49 2.7.4.7 2.5.1.3]
K21220  thiamine-phosphate diphosphorylase [EC:2.5.1.3]

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