ID 2.7.1.n4 DE Nicotinate riboside kinase. AN Ribosylnicotinic acid kinase. CA ATP + D-ribosylnicotinate = ADP + nicotinate D-ribonucleotide. CC -!- The enzyme from yeast and human also has the activity of EC 2.7.1.22. DR P62511, NRK1_ASHGO ; Q9NWW6, NRK1_HUMAN ; Q91W63, NRK1_MOUSE ; DR Q6AY91, NRK1_RAT ; Q9C0W1, NRK1_SCHPO ; P53915, NRK1_YEAST ; DR Q9NPI5, NRK2_HUMAN ; Q9D7C9, NRK2_MOUSE ; //