Cofactor

Compound or element that is required for the efficient performance of enzyme activity.

cofactor

(ko┬┤fak-tәr) an element or principle (such as a coenzyme) with which another must unite in order to function. heparin cofactor II a member of the serpin group that inhibits thrombin.
Found on http://www.encyclo.co.uk/local/21001

cofactor

(ko;fak-tor) A substance needed for the catalytic action of an enzyme; generally used in reference to inorganic ions such as Ca++ and Mg++.
Found on http://www.mhhe.com/biosci/abio/glossary.mhtml

cofactor

[n] - a substance (as a coenzyme) that must join with another to produce a given result
Found on http://www.webdictionary.co.uk/definition.php?query=cofactor

cofactor

<biochemistry> Inorganic complement of an enzyme reaction, usually a metal ions. ... See: coenzyme. ... (18 Nov 1997) ...
Found on http://www.encyclo.co.uk/local/20973

cofactor

noun a substance (as a coenzyme) that must join with another to produce a given result
Found on https://www.encyclo.co.uk/local/20974

Cofactor

[biochemistry] A cofactor is a non-protein chemical compound that is required for the protein`s biological activity. These proteins are commonly enzymes, and cofactors can be considered `helper molecules` that assist in biochemical transformations. Cofactors can be subdivided into either one or more inorganic ions, or a complex organic or m...
Found on http://en.wikipedia.org/wiki/Cofactor_(biochemistry)

cofactor

a component, other than the protein portion, of many enzymes. If the cofactor is removed from a complete enzyme (holoenzyme), the protein component ... [3 related articles]
Found on http://www.britannica.com/eb/a-z/c/105

cofactor

a factor that influences the progression of a disease or the action of a disease-causing agent.
Found on http://www.encyclo.co.uk/local/22225

cofactor

One or more non-protein components required by an enzyme in order to carry out its normal catalytic function. Some cofactors are metal ions, such as ions of iron, zinc, or copper, or simple organic molecules. When the cofactor consists of a complex molecule, it is known as a prosthetic group. An exa...
Found on http://www.daviddarling.info/encyclopedia/C/cofactor.html

Cofactor

See Coenzyme.
Found on http://www.encyclo.co.uk/local/20095

cofactor

Type: Term Pronunciation: kō′fak′ter, tōr Definitions: 1. An atom or molecule essential for the action of a large molecule, heme in hemoglobin, magnesium in chlorophyll. Solo metal ions are regarded as cofactors for proteins, but not as coenzymes. Synonyms: coenzyme
Found on http://www.medilexicon.com/medicaldictionary.php?t=18756
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