using the photoreactive , biologically active insulin analogue , b2- ( 2 nitro , 4-azidophenylacetyl ) des-pheb1 insulin , which can be covalently bound to receptor molecules upon photolysis , the insulin receptor has been studied in three different types of cells or tissues : isolated rat hepatocytes , intact murine soleus muscle and cultured human lymphocytes .
C2825028
insulin analogue
C0021641
insulin