Protein
Murein tetrapeptide carboxypeptidase
Organism
Pseudomonas aeruginosa (strain ATCC 15692 / DSM 22644 / CIP 104116 / JCM 14847 / LMG 12228 / 1C / PRS 101 / PAO1)
Function
Releases the terminal D-alanine residue from the cytoplasmic disaccharide-tetrapeptide GlcNAc-MurNAc-L-Ala-gamma-D-Glu-meso-Dap-D-Ala, which is a murein turnover product. Probably also act on free tetrapetide. May be involved in murein recycling.
Similarity
Belongs to the peptidase S66 family.
Sequence
MTSRPSSDQTWQPIDGRVALIAPASAIATDVLEATLRQLEVHGVDYHLGRHVEARYRYLAGTVEQRLEDLHNAFDMPDITAVWCLRGGYGCGQLLPGLDWGRLQAASPRPLIGFSDISVLLSAFHRHGLPAIHGPVATGLGLSPLSAPREQQERLASLASVSRLLAGIDHELPVQHLGGHKQRVEGALIGGNLTALACMAGTLGGLHAPAGSILVLEDVGEPYYRLERSLWQLLESIDARQLGAICLGSFTDCPRKEVAHSLERIFGEYAAAIEVPLYHHLPSGHGAQNRAWPYGKTAVLEGNRLRW