title: Stereochemical course of the methylation of the polygalacturonic acid carboxyl groups of pectin.
mesh_terms: D008745:Methylation; D008780:Methyltransferases / Q000378:metabolism*; D008968:Molecular Conformation; D010368:Pectins / Q000378:metabolism*; D010944:Plants / Q000201:enzymology; D012436:S-Adenosylmethionine / Q000378:metabolism; D013237:Stereoisomerism
chemical_list: D012436:S-Adenosylmethionine; D010368:Pectins; D008780:Methyltransferases; C003181:polygalacturonic acid