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Definition of co factor in English English dictionary
- cofactor
- a substance, especially a coenzyme or a metal, that must be present for an enzyme to function
- cofactor
- the result of a number being divided by one of its factors
- cofactor
- A condition that may make a person who is HIV-positive more likely to develop AIDS
- cofactor
- Inorganic ion or coenzyme necessary for the activity of an enzyme
- cofactor
- An atom, organic molecule, or molecular group that is necessary for the catalytic activity (see catalysis) of many enzymes. A cofactor may be tightly bound to the protein portion of an enzyme and thus be an integral part of its functional structure, or it may be only loosely associated and free to diffuse away from the enzyme. Cofactors of the integral kind include metal atoms such as iron, copper, or magnesium or moderately sized organic molecules called prosthetic groups; many of the latter contain a metal atom, often in a coordination complex (see transition element). Removal of the cofactor from the enzyme's structure causes loss of its catalytic activity. Loosely associated cofactors are called coenzymes; examples include most members of the vitamin B complex. Rather than directly contributing to the catalytic ability of an enzyme, coenzymes participate with the enzyme in the catalytic reaction. Sometimes this distinction in definition is no longer made, and coenzyme is used in the broader sense of cofactor
- cofactor
- the prosthetic group of an enzyme, very often but not necessarily a vitamin The binding of a coenzyme to its enzyme activates the complex and enables the enzyme to perform its function in the body
- cofactor
- a contributing factor
- cofactor
- a substance (as a coenzyme) that must join with another to produce a given result
Related Terms
co factor
Hyphenation
co fac·torTurkish pronunciation
kō fäktırPronunciation
/ˈkō ˈfaktər/ /ˈkoʊ ˈfæktɜr/
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