Which is the receptor for the immunosuppressive drug cyclosporin A (CsA)?
['hemical modification of CsA has led to analogs with distinct biological activities associated with its protein receptor family, cyclophilins', ' the CsA receptor, cyclophilin', 'These results would support cyclophilin as the major, if not only, intracellular receptor protein for CsA. ']
['Cyclophilin is the intracellular receptor protein for cyclosporin A  (CsA).']
['cyclophilin']