photoaffinity labeling of the insulin receptor with the photosensitive analog of insulin , b2 ( 2-nitro-4-azidophenyl-acetyl ) des-pheb1-insulin , followed by solubilization and sodium dodecyl sulfate-polyacrylamide gel electrophoresis , revealed specific bands of 125k and 430k mol wt under reducing and nonreducing conditions , respectively .
C2825028
analog
C0021641
insulin