| homotropic | Referring to the binding of the same ligand to a macromolecule; e.g., the binding of four O2 to haemoglobin is homotropic cooperativity. (05 Mar 2000) |
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| homotropic effect | An effect where two identical ligands (small molecules) allosterically interact with each other. (09 Oct 1997) |
| homotropic enzyme | <biochemistry> An allosteric enzyme that is modulated byits substrate. (09 Oct 1997) |