>sp|P27998|RBS_CERSP Ribulose bisphosphate carboxylase small subunit OS=Cereibacter sphaeroides GN=cbbS MRITQGCFSFLPDLTDEQISAQVDYCLGRGWAVSLEHTDDPHPRNTYWEMWGMPMFDLRD PKGVMIELDECRKAWPGRYIRINAFDSTRGFETVTMSFIVNRPEVEPSLRMERTEVDGRS IRYTHSIVR