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Peptide Receptor Binding

Meaning

Peptide Receptor Binding describes the highly specific molecular interaction where a signaling peptide molecule, such as a hormone or growth factor, physically attaches to its cognate receptor protein located on the surface or inside a target cell. This binding event is the fundamental first step in initiating an intracellular signaling cascade that translates the peptide’s external message into a functional cellular response. The affinity and specificity of this binding dictate the biological potency and selectivity of the peptide’s action.