Fig. 1From: Rhein promotes the proliferation of keratinocytes by targeting oestrogen receptors for skin ulcer treatmentDirect binding ability of rhodopsin to target protein (ERs). Quantification of the binding affinity of rhein to ERs using a microscale thermophoresis assay. A and B The binding affinity of rhein for ERα (shown in the upper panel). C and D The binding affinity of rhein for ERβ (shown in the lower panel)Back to article page