3r0s is a 1 chain structure with sequence from Camje. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[acyl-carrier-protein--UDP-N-acetylglucosamine_O-acyltransferase Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase], with EC number 2.3.1.129
[LPXA_CAMJE] Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell (By similarity).