>tr|F7X4X6|F7X4X6_SINMM Nucleoside diphosphate kinase OS=Sinorhizobium meliloti GN=ndk MAIERTFSMIKPDATKRNLTGAITKMLEDAGLRVVASKRVWMSRREAEGFYAVHKERPFF GELVEFMSSGPTVVQVLEGENAIAKNREVMGATNPANAAEGTIRKVHALSIGENSVHGSD APETAAEEIAYWFSGTEIVG