>sp|B6ISM1|SYS_RHOCS Serine--tRNA ligase OS=Rhodospirillum centenum GN=serS MHDLRAIRDNPEAFDTGLARRGLPPASAAILDLDQRRRAAQTSFQECQARRNEASRLIGA YKKDGKDAQPLLDEVAALKERIPALEEEDRRLGAELDALLAALPNLPAADVPEGKDEHDN VEIRRVGTPRDIPGAKQHFELGEALGLMDFEGAARMSGARFTVLKGQLARLERALGDFML DLHTREFGYTEVSPPLLVRDEAVFGTGQLPKFADDLFRTTTGHWLIPTAEVTLTNLANDS IIDAEALPWRLTARTPCFRSEAGSAGKDTRGMIRQHQFMKVELVSITLPEQSEAEHERMT KAAETVLERLGLPFRTVVLCTGDMGFSARKTYDIEVWLPGQGAYREISSCSNCGDFQARR MKARSRPKGEKGTQVVHTLNGSGVAVGRALIAVMENYQQPDGSILVPEALRPYMGGQERI TAHG