Immunogen sequence: VDPWESEQAQ WMETVKVLRH HHSKLLRSPP QMEGPDHGKA LFSTPAAVPE LKLLCGADVL KTFQTPNLWK DAHIQEIVEK FGLVCV Highest antigen sequence identity to the following orthologs: Mouse - 84%, Rat - 83%. Catalyzes the formation of NAD(+) from nicotinamide m