Agonist, Antagonist, Mixed Activity Relative Affinities for Receptors of the Insulin Family to Family Members NGF (only)NGF Relaxin >NGF >Proinsulin > IGF >>Insulin (~0)Relaxin IGF II = IGF I >>Insulin ~ ProinsulinIGF II IGF I > IGF II >Insulin ~ ProinsulinIGF I Insulin >Proinsulin (10%) >IGF II >IGF I >>Relaxin(~0) Insulin Relative AffinitiesReceptor Hormones & receptors co-evolve.
{}