Pyridoxamine—oxaloacetate transaminase

In enzymology, a pyridoxamine-oxaloacetate transaminase (EC 2.6.1.31) is an enzyme that catalyzes the chemical reaction:

pyridoxamine + oxaloacetate ${\displaystyle \rightleftharpoons }$ pyridoxal + L-aspartate

pyridoxamine-oxaloacetate transaminase
Identifiers
EC no.	2.6.1.31
CAS no.	37277-88-6
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Gene Ontology	AmiGO / QuickGO
Search PMC articles PubMed articles NCBI proteins

Thus, the two substrates of this enzyme are pyridoxamine and oxaloacetate, whereas its two products are pyridoxal and L-aspartate.

This enzyme belongs to the family of transferases, specifically the transaminases, which transfer nitrogenous groups. The systematic name of this enzyme class is pyridoxamine:oxaloacetate aminotransferase. This enzyme participates in vitamin B₆ metabolism.