N-succinylamino acid racemase

UniProtKB accession:  Q9RYA6

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UniProtKB description:  Acts as a N-succinylamino acid racemase (NSAR) that catalyzes the racemization of N-succinyl-L-phenylglycine and N-succinyl-D/L-phenylalanine (PubMed:24872444, PubMed:25875730). Can catalyze the racemization of a broad range of N-acylamino acids, including N-acetyl-D/L-methionine, N-acetyl-D/L-phenylalanine, N-acetyl-L-glutamine, N-acetyl-L-tryptophan, N-acetyl-L-leucine, N-formyl-D-methionine, N-formyl-D-norleucine, N-carbamoyl-D-methionine and N-carbamoyl-D-norleucine (PubMed:15313614, PubMed:16650857, PubMed:25875730). Also converts 2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate (SHCHC) to 2-succinylbenzoate (OSB) (PubMed:24872444). Catalyzes both N-succinylamino acid racemization and OSB synthesis at equivalent rates (PubMed:24872444). However, NSAR activity is probably the protein's biological function, because menaquinone biosynthesis genes are missing in this species (Probable).