ID 3.5.1.42 DE nicotinamide-nucleotide amidase. CA beta-nicotinamide D-ribonucleotide + H2O = NH4(+) + nicotinate beta-D- CA ribonucleotide. CC -!- Also acts more slowly on beta-nicotinamide D-ribonucleoside. DR P0A6G4, PNCC_ECOL6 ; P0A6G3, PNCC_ECOLI ; P51967, PNCC_ENTAG ; DR P72227, PNCC_PSEPU ; Q8EK32, PNCC_SHEON ; Q83JZ0, PNCC_SHIFL ; //