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Allosteric in Biological Definition

Allostery

... biochemistry , an enzyme or other protein is allosteric if its activity or efficiency changes in ... of an effector molecule at a so-called allosteric site . Changes that enhance activity are referred to as allosteric activation , while the opposite is called ...

Allostery

... biochemistry , an enzyme or other protein is allosteric if its activity or efficiency changes in ... of an effector molecule at a so-called allosteric site . Changes that enhance activity are referred to as allosteric activation , while the opposite is called ...

Active site

... to the active site but cannot be processed by the enzyme. In noncompetitive inhibition , the inhibitor binds to the enzyme at another site, the allosteric site , and this causes a structural change in the enzyme such that the active site is rendered useless. Uncompetitive inhibition , is similar to ...

Insulin

... most prominently glucose increase of DNA replication and protein synthesis modification of the activity of numerous enzymes ( allosteric effect ) The actions of insulin on cells include: increased glycogen synthesis – insulin forces storage of glucose in liver (and ...

Lac repressor

... is present the lac repressor hooks up to lactose and changes shape and detaches from the DNA. The technical term for this shape-shifting is " allosteric signal transduction ". See also Lac operon ...

Protein

... depend on controlling protein activity. Regulation can involve a protein's shape or concentration . Some forms of regulation include: allosteric modulation : When the binding of a ligand at one site on a protein affects the binding of ligand at another site. Covalent modulation : When ...
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