site (sīt) a place, position, or locus.
site
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.
site (s t)n. A place; a location. v. To locate or situate at a site. |
site
Etymology: L, situs, location
1 location. See also situs.
2 a quantum of space occupied and defined by a cluster of people.
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