Protein
L-aspartate decarboxylase
Organism
Thermococcus kodakarensis (strain ATCC BAA-918 / JCM 12380 / KOD1)
Function
Catalyzes the decarboxylation of L-aspartate to produce beta-alanine. In vitro, can also catalyzes the decarboxylation of L-glutamate to produce 4-aminobutanoate, but this activity does not seem necessary in vivo. Shows much higher activity with L-aspartate than with L-glutamate. Does not decarboxylate L-tyrosine.
Similarity
Belongs to the group II decarboxylase family. MfnA subfamily.
Sequence
MFPERGASEEEVLRELEEKTREDLTFDSGKILGSMCTYPHPFAVKVVMKYIDRNLGDPGLHIGSQKIEKEAVDMLANLLGLEKGYGHIVSGGTEANILAVRAMRNLAGIEKPELILPESAHFSFIKAAEMLGVKLVWAELNDDYTVNVKDVEKKITDRTIGIVGIAGTTGLGVVDDIPALSDLALDYGLPLHVDAAFGGFVIPFAKALGYEIPDFDFRLKGVKSITIDPHKMGMVPIPAGGIIFREKKFLDSISVLAPYLAGGKIWQATITGTRPGANALAVWAMIKHLGFDGYKEVVKEKMELARWFASELKKIPGIYLIREPVLNIVSFGSEKLEELEKELKARGWGVSAHRGYIRIVVMPHVKREHLEEFLRDLREIAKRL