|Superclasses:||Reactions Classified By Conversion Type → Simple Reactions → Chemical Reactions|
|Reactions Classified By Substrate → Small-Molecule Reactions|
EC Number: 126.96.36.199
Enzymes and Genes:
|Pseudomonas denitrificans :||threonine-phosphate decarboxylase
|Salmonella enterica enterica serovar Typhimurium :||L-threonine-O-3-phosphate decarboxylase
In Pathway: aminopropanol phosphate biosynthesis I
The reaction direction shown, that is, A + B ↔ C + D versus C + D ↔ A + B, is in accordance with the Enzyme Commission system.
Most BioCyc compounds have been protonated to a reference pH value of 7.3, and some reactions have been computationally balanced for hydrogen by adding free protons. Please see the PGDB Concepts Guide for more information.
Mass balance status: Balanced.
Enzyme Commission Primary Name: threonine-phosphate decarboxylase
Enzyme Commission Synonyms: L-threonine-O-3-phosphate decarboxylase, CobD, L-threonine-O-3-phosphate carboxy-lyase
Standard Gibbs Free Energy (ΔrG'° in kcal/mol): -1.8418121 [Latendresse13]
Enzyme Commission Summary:
This enzyme is unable to decarboxylate the D-isomer of threonine
Brushaber98: Brushaber KR, O'Toole GA, Escalante-Semerena JC (1998). "CobD, a novel enzyme with L-threonine-O-3-phosphate decarboxylase activity, is responsible for the synthesis of (R)-1-amino-2-propanol O-2-phosphate, a proposed new intermediate in cobalamin biosynthesis in Salmonella typhimurium LT2." J Biol Chem 273(5);2684-91. PMID: 9446573
Cheong02: Cheong CG, Bauer CB, Brushaber KR, Escalante-Semerena JC, Rayment I (2002). "Three-dimensional structure of the L-threonine-O-3-phosphate decarboxylase (CobD) enzyme from Salmonella enterica." Biochemistry 41(15);4798-808. PMID: 11939774
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