si_0256 CBSS-316057.3.peg.659 Outer membrane protein/protective antigen OMA87 si_0256 CBSS-316057.3.peg.659 Polysialic acid capsule sugar isomerase, KpsF/GutQ family si_0256 CBSS-316057.3.peg.659 Putative activity regulator of membrane protease YbbK si_0256 CBSS-316057.3.peg.659 Putative stomatin/prohibitin-family membrane protease subunit YbbK