Chlorophyllide ''a'' reductase (), also known as COR, is an
enzyme
An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different mol ...
with
systematic name
A systematic name is a name given in a systematic way to one unique group, organism, object or chemical substance, out of a specific population or collection. Systematic names are usually part of a nomenclature.
A semisystematic name or semitrivi ...
''bacteriochlorophyllide-a:ferredoxin 7,8-oxidoreductase''. It
catalyses the following
chemical reaction
A chemical reaction is a process that leads to the chemistry, chemical transformation of one set of chemical substances to another. When chemical reactions occur, the atoms are rearranged and the reaction is accompanied by an Gibbs free energy, ...
:
chlorophyllide ''a'' + 2 reduced
ferredoxin
Ferredoxins (from Latin ''ferrum'': iron + redox, often abbreviated "fd") are iron–sulfur proteins that mediate electron transfer in a range of metabolic reactions. The term "ferredoxin" was coined by D.C. Wharton of the DuPont Co. and applied t ...
+
ATP + H
2O + 2 H
+ 3-deacetyl 3-vinylbacteriochlorophyllide ''a'' + 2 oxidized ferredoxin + ADP + phosphate
substrate
Substrate may refer to:
Physical layers
*Substrate (biology), the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached
** Substrate (aquatic environment), the earthy material that exi ...
and product of the enzyme">
Chlorophyllide a.svg, Chlorophyllide ''a''
Bacteriochlorophyllide a.png, Bacteriochlorophyllide ''a'' (R=H). The product of COR retains the
. It is a component of the
to bacteriochlorophylls.