Loenen, H.J. van

receptor binding hormone affinity activity camp production production glycoprotein concentration stimulation fsh receptor binding interaction antibody complex activation domain ligand glycoprotein hormones lh /cg receptor oligosaccharide units protein chapter subunit presence receptor-stimulating activity glycoprotein hormone receptors rat leydig cells property krb-n +s steroidogenic oligosaccharide lhlcg receptor leydig residue krb-n figure /receptor hormone /receptor complexes rat sertoli cells effect cyclase fsh receptor lhlcg adenylyl condition receptor binding adenylyl cyclase receptor-stimulating acid residues study ma-io cells absence transmembrane endocrinology intracellular extracellular number receptor activation sertoli steroidogenic activity value binding sites ligand binding affinity affinity binding sites fsh binding sites structure steroidogenesi extracellular n-terminal domain result response ma-io addition membrane state 125 i _hfsh conformation epitope level aspartic acid residue hormone-receptor