>sp|A2BNH4|NDK_PROMS Nucleoside diphosphate kinase OS=Prochlorococcus marinus GN=ndk MTKERTFIAIKPDGVQRGYVSEILGRFEKKGFKLVGLKQLIPSKELAQNHYGVHRERPFF GDLVDFISSGPVVAMVWEGEGVILSARKLIGATKPLEAEPGTIRGDLAIDIGRNIIHGSD GEDTAKFEINLWFNEEELCEWETSDSKWRSEN