si_0314 CBSS-316407.3.peg.2816 Protein of unknown function DUF541 si_0314 CBSS-316407.3.peg.2816 Protein involved in stability of MscS mechanosensitive channel si_0314 CBSS-316407.3.peg.2816 Arginine exporter protein ArgO si_0314 CBSS-316407.3.peg.2816 Lysine efflux permease