PPNK_BIFLD ppnK Probable inorganic polyphosphate/ATP-NAD kinase 340 BLD_0794 MAKRNAVVVTHTRLRQTGTVVAEAVSQLRVAGFEVAIIDNTEAPDFGVQPPCVSDDTEIVVVLGGDGTILRAAELVHCTQVPILGVNMGHVGFLAEFESFQIDEAIRRVSTHDYSIDERMIAHVDVWLPGATKPIEDWALNDITLERADRGKMVELSIRVDDVEMNSFGADGVIVSTPTGSTAYAFSAGGPVMWPNVKALQLIPLAAHALFARPLIIGSGSTFTIDILDDSMSEGWICCDGRRQRALPQGTRVMVRESRDTLRLARLSGVPFTNRLVSKFDLPVVGWREHARNEASSQSLHHGHTFPAAAYAAGVAVAGDAGVAGTEPDKPGERDGKAGS 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).