From Binding to Catalysis - Investigations Using Synthetic Peptides
Receptors, repressors, protein inhibitors, and antibodies are proteins that bind a ligand but do not alter it chemically. Receptors act by forming membrane channels (acetylcholine receptor), by activating membrane-bound enzymes (adrenaline receptor), or by regulating gene expression (nuclear estrogen receptor). Repressors can prevent transcription of bacterial operons by binding very tightly to the Dperator region of the operon. Repressor binding is controlled allosterically by metabolites.
KeywordsProsthetic Group Glycosidase Activity Nuclear Estrogen Receptor Plasma Apolipoprotein Repressor Binding
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