Catalyzes the phosphorylation of NAD to NADP. Utilizes ATP and other nucleoside triphosphates as well as inorganic polyphosphate as a source of phosphorus (By similarity). ppnK MKVAIVHNSEEKSKQVTKQLTTLLEQNQIQIDNRQPELVISVGGDGTLLSAFHRFNHLLNEVSFLGVHTGHLGFYTDWRDYELKELVESLCIHREKSTSYPLLDVRIRFRDGKPDKHFLALNESTIKRGNRTMVGDVFIKDELFERFRGDGLSISTPTGSTAYNKSIGGAVLHPSINAFQLTEIASLNNRVFRTLGSPIVIAHTEWLEIKLQESDDYFVTVDQLDIYQENIASVCYRIADERIHFASYRHMHFWHRVKDAFIGED 265 PPNK_ENTFA Probable inorganic polyphosphate/ATP-NAD kinase EF_2670