ID 2.7.1.22 DE ribosylnicotinamide kinase. CA ATP + beta-nicotinamide D-riboside = ADP + beta-nicotinamide CA D-ribonucleotide + H(+). DR P27278, NADR_ECOLI ; P44308, NADR_HAEIN ; P47981, NADR_KLEPN ; DR P24518, NADR_SALTY ; P62511, NRK1_EREGS ; Q9NWW6, NRK1_HUMAN ; DR Q91W63, NRK1_MOUSE ; Q6AY91, NRK1_RAT ; Q9C0W1, NRK1_SCHPO ; DR P53915, NRK1_YEAST ; Q9NPI5, NRK2_HUMAN ; Q9D7C9, NRK2_MOUSE ; //