Further improvements relating to radiolabelling of proteins

摘要

PCT No. PCT/GB92/02322 Sec. 371 Date Jun. 16, 1994 Sec. 102(e) Date Jun. 16, 1994 PCT Filed Dec. 15, 1992 PCT Pub. No. WO93/11796 PCT Pub. Date Jun. 24, 1993A structurally modified protein is provided that will bind to a tumor-associated structure wherein the amino group in at least one basic amino acid in the binding protein is structurally modified to convert the amino group, -NH2, to the grouping -NH-CO-X-NHR in which R is H or an amino protecting group and the grouping -CO-X-NHR is the residue of a peptide of the formula NHR-X-COOH capable of acting as a substrate for a phosphokinase.