NMNAT3 catalyzes the reaction of nicotinate D-ribonucleotide and ATP to form deamino-NAD+ (nicotinate adenine dinucleotide) and pyrophosphate (Sorci et al. 2007). The active form of the enzyme is a tetramer in vitro (Zhang et al. 2003). Recombinant FLAG-tagged protein expressed in HeLa cells localizes both to the cytosol and to mitochondria (Berger et al. 2005). The cytosolic protein is annotated here.
Sorci, L, Cimadamore, F, Scotti, S, Petrelli, R, Cappellacci, L, Franchetti, P, Orsomando, G, Magni, G
Zhang, X, Kurnasov, OV, Karthikeyan, S, Grishin, NV, Osterman, AL, Zhang, H
Berger, F, Lau, C, Dahlmann, M, Ziegler, M
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