Biochemistry, molecular genetics, and biology glossary terms for Companion Sites.


o-o items o-o are in brief format :
o-o ligand
o-o ligation

Companion site items :
ф leukocytes ф lymphocytes ф lymphoid system ф lymphokineslysosome

Alphabetic links to Glossary items:

Gray Sites • Abiogenesis & EvolutionAlgorithms of Evolution ¤ Cancer Cell Biology ~ Chemistry of LifeCyanobacteriaEnzymesEvo Devo ф Immunology »» Mechanisms of EvolutionMolecular BiologyOrigin of LifePaleogeologyRefuting IDSerial EndosymbiosisStromatolites ^ Taxonomy PhylogenyVirus • White Sites  Diagrams & TablesEubacteria & ArchaeaMoleculeMolecular PathsPathwaysPhotosynthesis • Black Sites • EndosymbiosisOrganics

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A ligand is any molecule, atom, or ion that specifically and reversibly binds to a protein, inducing a conformational change in the protein.

Common examples include neurotransmitters or signaling molecules that bind to receptor proteins and DNA (as a ligand) bound to protein transcription factors.

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In biology, ligation is the joining or binding of two molecules or a ligand to a receptor protein – two strands of RNA spliced, or two strands of DNA ligated by a DNA ligase; an antigen ligated to a CD on a leukocyte.

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. . . since 10/06/06