Question: Which taxon is nucleoside diphosphate kinase regulator    NRG857_02770 a part of ?
Answer: Escherichia coli O83:H1 str. NRG 857C
Answer sentence: nucleoside diphosphate kinase regulator nrg857_02770 is a part of the taxon escherichia coli o83:h1 str. nrg 857c.