Coenzymes and their
functions
,ENZYMES
Enzymes are large biological molecules responsible for thousands of metabolic
processes that sustain life.
They are highly selective catalyst, greatly accelerating both the rate and
specificity of metabolic reactions.
Some enzymes require no chemical groups for activity other than their amino
acid residues. Other require an additional chemical component called a cofactor
for the required activity.
, Co-factor
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 divided into two broad groups: organic cofactors, such as
flavin or heme, and inorganic cofactors, such as the metal ions Mg2+, Cu+,
Mn2+, or iron-sulfur clusters.
functions
,ENZYMES
Enzymes are large biological molecules responsible for thousands of metabolic
processes that sustain life.
They are highly selective catalyst, greatly accelerating both the rate and
specificity of metabolic reactions.
Some enzymes require no chemical groups for activity other than their amino
acid residues. Other require an additional chemical component called a cofactor
for the required activity.
, Co-factor
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 divided into two broad groups: organic cofactors, such as
flavin or heme, and inorganic cofactors, such as the metal ions Mg2+, Cu+,
Mn2+, or iron-sulfur clusters.
