ID 2.7.1.173 DE nicotinate riboside kinase. AN ribosylnicotinic acid kinase. CA ATP + beta-D-ribosylnicotinate = ADP + H(+) + nicotinate beta-D- CA ribonucleotide. CC -!- The enzyme from yeast and human also has the activity of EC 2.7.1.22. CC -!- Formerly EC 2.7.1.n4. DR P62511, NRK1_EREGS ; Q9NWW6, NRK1_HUMAN ; Q91W63, NRK1_MOUSE ; DR Q6AY91, NRK1_RAT ; Q9C0W1, NRK1_SCHPO ; P53915, NRK1_YEAST ; DR Q9NPI5, NRK2_HUMAN ; Q9D7C9, NRK2_MOUSE ; //