title: Two forms of polygalacturonase in tomatoes.
mesh_terms: D002850:Chromatography, Gel; D002852:Chromatography, Ion Exchange; D004355:Drug Stability; D006026:Glycoside Hydrolases / Q000302:isolation & purification; D006863:Hydrogen-Ion Concentration; D008970:Molecular Weight; D009994:Osmolar Concentration; D010368:Pectins; D010944:Plants / Q000201:enzymology*; D012965:Sodium Chloride; D013329:Structure-Activity Relationship; D013696:Temperature
chemical_list: D012965:Sodium Chloride; D010368:Pectins; D006026:Glycoside Hydrolases