the selectivity of dynorphin a- ( 1-13 ) for benzomorphan kappa opioid receptors in the rat gp appears to be low and dynorphin a- ( 1-13 ) may elicit effects that are different from those produced by the benzomorphan kappa agonists by virtue of its ability to interact with other opioid receptor subtypes , for example mu opioid receptors .
C0064239
kappa opioid receptors
C0034801
opioid receptor