Many G-protein-coupled receptors (GPCRs) possess two ligand ... binding, indicative of a weak allosteric potentiator effect, which was further validated by the use of kinetic binding assays.

GMP Human 4-1BB Ligand Protein, Fc Tag (Cat. No. GMP-41LH26) is stable at 37 °C for 16 hours, according to the cell-based assay. Image Credit: ACROBiosystems GMP Human 4-1BB Ligand Protein ...