cofactor


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cofactor

 [ko´fak-ter]
an element or principle, e.g., a coenzyme, with which another must unite in order to function.
heparin cofactor II a member of the serpin group that inhibits thrombin.

co·fac·tor

(kō'fak'ter, tōr),
1. Synonym(s): coenzyme
2. An atom or molecule essential for the action of a large molecule, for example, heme in hemoglobin, magnesium in chlorophyll. Solo metal ions are regarded as cofactors for proteins, but not as coenzymes.

cofactor

/co·fac·tor/ (ko´fak-ter) an element or principle, e.g., a coenzyme, with which another must unite in order to function.
heparin cofactor II  a serine proteinase inhibitor of the serpin family that inhibits thrombin.

cofactor

(kō′făk′tər)
n.
1. One of two or more contributing factors.
2. A substance, such as a metallic ion or coenzyme, that must be associated with an enzyme for the enzyme to function.

co·fac·tor

(kō'fak'tŏr)
1. Synonym(s): coenzyme.
2. An atom or molecule essential for the action of a large molecule; e.g., heme in hemoglobin, magnesium in chlorophyll.

cofactor

a substance that is essential for the catalytic activity of some enzymes, binding to the enzyme only during the reaction. Cofactors can be metallic ions, or nonprotein organic molecules (coenzymes) such as vitamins in the B-COMPLEX.

co·fac·tor

(kō'fak'tŏr)
An atom or molecule essential for the action of a large molecule.

cofactor

an element or principle, e.g. a coenzyme, with which another must unite in order to function.

ristocetin cofactor
see ristocetin cofactor.
References in periodicals archive ?
About Cofactor: By combining the DNA of digital marketing leaders, Shoplocal and PointRoll, Cofactor uniquely enables brands to connect content to intent through the intelligent delivery of content everywhere, driving sales, locally.
The Phase II clinical trial is a single arm, multicenter study to evaluate the safety and efficacy of treatment with CoFactor plus 5-FU in advanced breast cancer patients who have failed anthracycline and taxane chemotherapies.
Human papillomavirus (HPV) is well established as an infection that is central to the pathogenesis of invasive cervical cancer, but because many women with HPV do not develop this cancer, it is believed certain cofactors play a role in disease development.
Other possible regulatory factors include the presence of termination inhibitors or enhancers or a regulatory role of the magnesium cofactor.
APC cofactor activity was measured with the Staclot PS[R] assay (Diagnostica Stago), according to the manufacturer's instructions.
For some cofactors and for some patients, they are probably expensive placebos.
Their mournful stay in Manhattan on that very hot weekend in June could have been a msjor cofactor in the "We've had it
By inducing cellular activation and hence increased virus production, any infectious pathogen may serve as a cofactor to HIV disease progression.
a small Canadian company, has become successful at developing new cofactor chemistry.
The premise is that since zinc is a cofactor in cellular proliferation, including it in dressings should be beneficial.
LOUIS -- Cofactor Genomics, a leading biotechnology company, announced today it will release a product to allow researchers to selectively enrich, sequence, analyze and detect variants in coding and regulatory regions of the Bovine (cow) genome.