Function
Dipeptide epimerase with a broad substrate specificity. Catalyzes the epimerization of L-Ala-L-Ala, L-Ala-L-Ser, L-Ala-L-Thr, L-Ala-L-Met, L-Ala-L-Phe, L-Ala-L-Tyr, L-Gly-L-Asp, L-Val-L-Asp, L-Val-L-Glu and L-Val-L-Phe (in vitro). Can also catalyze the epimerization of L-Ala-L-Glu, but with lower efficiency.
Sequence
MQIKFWPQDLKLAHTWTIASSVTSGSDVTSVGIVQLTDRDGTVGLGEAAPARRYNESTPGSLDFIAKVDATKLSFDNIEASMKYVESLASGQFAAKSAINVALLDGAARKAGKPIYDLLGLGFRNNHHVTSFSIGIDKADVIRKKVLAAEQYPVLKLKVGAADDKANLAALREAAPQKWVRVDANEGWKTKEHALEMIEWLAQDKFIQYIEQPMPADSNPKDIAWLKARSPLPLFGDESYHTAKDVDHCAECYHGVNVKLCKTGGISNAYEALQVARKAGLKTMIGCMIETSILISAAAHLAELCDYLDIDGNLLTTNDPYLGVTAEKGLLSFASAPEKLGLRVRAK