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A new class EC 7, Translocases, has been added to the EC list. It will be part of ENZYME from release 2018_10. Read more about EC 7 here.

ENZYME entry: EC 4.1.1.81

Accepted Name
Threonine-phosphate decarboxylase.
Alternative Name(s)
L-threonine O-3-phosphate carboxy-lyase.
L-threonine-O-3-phosphate decarboxylase.
Reaction catalysed
L-threonine O-3-phosphate <=> (R)-1-aminopropan-2-yl phosphate + CO(2)
Cofactor(s)
Pyridoxal 5'-phosphate.
Comment(s)
  • Unable to decarboxylate the D-isomer of threonine O-3-phosphate.
  • The product of this reaction, (R)-1-aminopropan-2-yl phosphate, is the substrate of EC 6.3.1.10, which converts adenosylcobyric acid into adenosylcobinamide phosphate in the anaerobic cobalamin biosynthesis pathway.
Cross-references
BRENDA4.1.1.81
EC2PDB4.1.1.81
ExplorEnz4.1.1.81
PRIAM enzyme-specific profiles4.1.1.81
KEGG Ligand Database for Enzyme Nomenclature4.1.1.81
IUBMB Enzyme Nomenclature4.1.1.81
IntEnz4.1.1.81
MEDLINEFind literature relating to 4.1.1.81
MetaCyc4.1.1.81
UniProtKB/Swiss-Prot
Q9I468, COBC_PSEAE;  P21633, COBC_PSEDE;  Q8EXQ7, COBDQ_LEPIN;  
Q8R5U4, COBD_CALS4;  Q8Z8H8, COBD_SALTI;  P97084, COBD_SALTY;  

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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.1.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.1.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 4.-.-.-