Protein
Lipid II:glycine glycyltransferase
Organism
Staphylococcus aureus (strain bovine RF122 / ET3-1)
Function
Catalyzes the incorporation of the first glycine of the pentaglycine interpeptide bridge, which is characteristic of the S.aureus peptidoglycan. This glycine is added to the epsilon-amino group of the L-lysine of the membrane-bound lipid II intermediate (GlcNAc-(beta-1,4)-N-acetylmuramic acid(-L-Ala-D-iGln-L-Lys-D-Ala-D-Ala)-pyrophosphoryl-undecaprenol), using glycyl-tRNA(Gly) as donor, in a ribosome-independent mechanism (By similarity).
Similarity
Belongs to the FemABX family.
Sequence
MEKMHITNQEHDAFVKSHPNGDLLQLTKWAETKKLTGWYARRIAVGRDGEIQGVAQLLFKKVPKLPYTLCYISRGFVVDYSNKEALNALLDSAKEIAKAEKAYAIKIDPDVEVDKGTDALQNLKALGFKHKGFKEGLSKDYIQPRMTMITPIDKNDDELLNSYERRNRSKVRLALKRGTTVERSDREGLKTFAELMKITGERDGFLTRDISYFENIYDALHEDGDAELFLVKLDPKENIAKVNQELNELHAEIAKWQQKMETSEKQAKKAQNMINDAQNKIAKNEDLKRDLEALEKEHPEGIYLSGALLMFAGSKSYYLYGASSNEFRDFLPNHHMQYTMMKYAREHGATTYDFGGTDNDPDKDSEHYGLWAFKKVWGTYLSEKIGEFDYVLNQPLYQLIEQVKPRLTKAKIKISRKLKRK