Immunogen sequence: LLDTYSVWRS GLPNFLAVAL ALGELGYRAV GVRLDSGDLL QQAQEIRKVF RAAAAQFQVP WLESVLIVVS NNIDEEALAR LAQEGSEVNV IGIGTSV Highest antigen sequence identity to the following orthologs: Mouse - 86%, Rat - 82%. Nicotinic acid (NA; niacin) is converted