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nicotinate phosphoribosyltransferase This model represents nicotinate phosphoribosyltransferase, the first enzyme in the salvage pathway of NAD biosynthesis from nicontinate (niacin). Members are primary proteobacterial but also include yeasts and Methanosarcina acetivorans. A related family, apparently non-overlapping in species distribution, is TIGR01513. Members of that family differ in substantially in sequence and have a long C-terminal extension missing from this family, but are proposed also to act as nicotinate phosphoribosyltransferase (see model TIGR01513). [Biosynthesis of cofactors, prosthetic groups, and carriers, Pyridine nucleotides]
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Jiyao W et al.(2023). "The conserved domain database in 2023.",