title: The size of the substrate-binding site of an Aspergillus niger extracellular endopolygalacturonase.
mesh_terms: D001230:Aspergillus / Q000201:enzymology*; D001665:Binding Sites; D002854:Chromatography, Paper; D005110:Extracellular Space; D005690:Galactose; D006026:Glycoside Hydrolases / Q000037:antagonists & inhibitors / Q000378:metabolism*; D006868:Hydrolysis; D007700:Kinetics; D046911:Macromolecular Substances; D014574:Uronic Acids
chemical_list: D046911:Macromolecular Substances; D014574:Uronic Acids; D006026:Glycoside Hydrolases; D005690:Galactose