Allosteric enzymes are enzymes that change their conformational ensemble upon binding of an effector, which results in an apparent change in binding affinity at a different ligand binding site.
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Hemoglobin, though not an enzyme, is the canonical example of an allosteric protein molecule - and one of the earliest to have its crystal structure solved (by Max Perutz).
enzyme | Allosteric regulation | Enzyme inhibition | enzyme inhibition | Restriction enzyme | Enzyme inhibitor | enzyme inhibitor | Enzyme Commission number | Enzyme | Constitutive enzyme | Adaptive enzyme | Phospholipase cleavage sites. Note that an enzyme that displays both PLA1 and PLA2 activities is called a ''Phospholipase B | Enzyme Records | Enzyme activator |
The corrections have been shown to be particularly considerable for allosteric and non-allosteric enzyme-mediated reactions in intracellular compartments.