as assessed by sodium dodecyl sulfate-polyacrylamide gel electrophoresis , this affinity probe specifically labeled the beta-adrenergic peptide of a purified preparation of hamster lung , with high efficiency ( approximately 40 % ) and with a pharmacological specificity characteristic of an interaction at the beta 2-adrenergic receptor ligand-binding site .
C0001643
beta
C1517880
ligand-binding