Protein
Lipid II isoglutaminyl synthase (glutamine-hydrolyzing) subunit MurT
Organism
Streptococcus pneumoniae (strain ATCC BAA-255 / R6)
Function
The lipid II isoglutaminyl synthase complex catalyzes the formation of alpha-D-isoglutamine in the cell wall lipid II stem peptide (PubMed:24044435, PubMed:30093673). The MurT subunit catalyzes the ATP-dependent amidation of D-glutamate residue of lipid II, converting it to an isoglutamine residue (PubMed:30093673).
Similarity
Belongs to the MurCDEF family. MurT subfamily.
Sequence
MNLKTTLGLLAGRSSHFVLSRLGRGSTLPGKVALQFDKDILQSLAKNYEIVVVTGTNGKTLTTALTVGILKEVYGQVLTNPSGANMITGIATTFLTAKSSKTGKNIAVLEIDEASLSRICDYIQPSLFVITNIFRDQMDRFGEIYTTYNMILDAIRKVPTATVLLNGDSPLFYKPTIPNPIEYFGFDLEKGPAQLAHYNTEGILCPDCQGILKYEHNTYANLGAYICEGCGCKRPDLDYRLTKLVELTNNRSRFVIDGQEYGIQIGGLYNIYNALAAVAIARFLGADSQLIKQGFDKSRAVFGRQETFHIGDKECTLVLIKNPVGATQAIEMIKLAPYPFSLSVLLNANYADGIDTSWIWDADFEQITDMDIPEINAGGVRHSEIARRLRVTGYPAEKITETSNLEQVLKTIENQDCKHAYILATYTAMLEFRELLASRQIVRKEMN