title: Modification of E. coli L-asparaginase with polyethylene glycol: disappearance of binding ability to anti-asparaginase serum.
mesh_terms: D001215:Asparaginase / Q000276:immunology; D004926:Escherichia coli / Q000201:enzymology*; D007106:Immune Sera; D008970:Molecular Weight; D011092:Polyethylene Glycols; D011233:Precipitin Tests
chemical_list: D007106:Immune Sera; D011092:Polyethylene Glycols; D001215:Asparaginase