title: Stereospecific in vitro N-methylation of nicotine in guinea pig tissues by an S-adenosylmethionine-dependent N-methyltransferase.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008297:Male; D008745:Methylation; D008780:Methyltransferases / Q000032:analysis*; D009538:Nicotine / Q000378:metabolism*; D012436:S-Adenosylmethionine / Q000378:metabolism*; D013237:Stereoisomerism
chemical_list: D009538:Nicotine; D012436:S-Adenosylmethionine; D008780:Methyltransferases