>sp|B2IX22|NDK_NOSP7 Nucleoside diphosphate kinase OS=Nostoc punctiforme GN=ndk MERTFLAIKPDGVQRGLVGEIIRRFETKGFTLVGLKFLKVSKELAEQHYGVHRERPFFGS LVEFITSSPVVAMVWEGDGVVASARKIIGATNPLTSEPGTIRGDFGINIGRNLIHGSDAP ETAQQEIALWFKDEELVNWQPHITPWLHE