>sp|Q21EC9|KGUA_SACD2 Guanylate kinase OS=Saccharophagus degradans GN=gmk MTPTGTLYTVSAPSGAGKTSLVSALIDTTSNIMVSVSHTTRAKRPGEQEGVNYHFVSHEQ FATMVENNAFLEHAQVFTNFYGTSKQWVEDTLAKGIDVILEIDWQGAQQVRKLIPAAKSV FILPPSRECLRERLTGRGQDDESVIDARMAEAKSEISHYVEAQYLIVNDDFDTALTEFRS IVVANRLALEKQQDKHQSLLESLLS