Amino-acid racemase
Template:Infobox enzyme In enzymology, an amino-acid racemase (Template:EnzExplorer) is an enzyme that catalyzes the chemical reaction
- an L-amino acid a D-amino acid
Hence, this enzyme has one substrate, L-amino acid, and one product, D-amino acid.
This enzyme belongs to the family of isomerases, specifically those racemases and epimerases acting on amino acids and derivatives. The systematic name of this enzyme class is amino-acid racemase. This enzyme is also called L-amino acid racemase. This enzyme participates in 4 metabolic pathways: glycine, serine and threonine metabolism, cysteine metabolism, D-glutamine and D-glutamate metabolism, and D-arginine and D-ornithine metabolism. It employs one cofactor, pyridoxal phosphate.
Structural studies
As of late 2007, 5 structures have been solved for this class of enzymes, with PDB accession codes 2FKP, 2GGG, 2GGH, 2GGI, and 2GGJ.
References
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