Nicotinate phosphoribosyltransferase (NAPRTase) family
Nicotinate phosphoribosyltransferase (EC:2.4.2.11) is the rate limiting enzyme that catalyzes the first reaction in the NAD salvage synthesis. This family also includes Pre-B cell enhancing factor that is a cytokine. This family is related to Quinolinate phosphoribosyltransferase pfam01729.