>sp|Q3J2A5|KGUA_CERS4 Guanylate kinase OS=Cereibacter sphaeroides GN=gmk MARRGLLLILSSPSGAGKSTLSKRLTAWDPSIRFSVSATTRAPRPGEVDGRDYYFRTRDE FIAAVEAGEMLEHAEVFGNFYGSPKAPVEKALEQGHDTLFDIDWQGGQQIRNSSLGRDVV SIFVLPPSIGELDRRLRSRAQDSEEVIATRMARSKDEISHWAEYDYVLVNRDLDLAEEQL KMILSAERLRRDRQPDLMDFVRGLNGEFETR