binding site

site (sīt) a place, position, or locus.

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allosteric site  a site on a multi-subunit enzyme that is not the substrate binding site but that when reversibly bound by an effector induces a conformational change in the enzyme, altering its catalytic properties.

antigen-binding site , antigen-combining site the region of the antibody molecule that binds to antigens.

binding site  in an enzyme or other protein, the three-dimensional configuration of specific groups on specific amino acids that binds specific compounds, such as substrates or effectors, with high affinity and specificity.

operator site  a site adjacent to the structural genes in the operon, where repressor molecules are bound, thereby inhibiting the transcription of the genes in the adjacent operon.

restriction site  a base sequence in a DNA segment recognized by a particular restriction endonuclease.

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binding site

Etymology: ME, binden + L, situs

the location on the surface of a cell or a molecule where other cell fragments or molecules attach to initiate a chemical or physiologic action.

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binding site,

n the location on the surface of a cell or molecule where other cell fragments or molecules attach to initiate a chemical or physiologic action.

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Patient discussion about binding site.

Q. My friend has Progressive MS, he is bound to a wheelchair, Prognosis? How can I help? He must be moved by a Hoyer Lift, he has caregivers. He has a beautiful voice and does have enough ability to move in his chair around local community. He has some bad days with spacicity, I want to help but am unsure as to how? He is 60? or so and lives on his own, he has had MS for many years and a number of complications, such as pneumonia and decubitus. Please help me to help him!

A. There are a number of ideas and resources for social and recreational activities (i.e. wheelchair sports, dancing, travel, aviation, etc.) that may be helpful, which can be found at www.mobility-advisor.com.