Geranylgeranyl diphosphate reductase (, ''geranylgeranyl reductase'', ''CHL P'') is an
enzyme
Enzymes () are proteins that act as biological catalysts by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different molecule ...
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 semitrivial ...
''geranylgeranyl-diphosphate:NADP
+ oxidoreductase''.
This enzyme
catalises the following
chemical reaction
A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another. Classically, chemical reactions encompass changes that only involve the positions of electrons in the forming and break ...
:
phytyl diphosphate
Phytane is the isoprenoid alkane formed when phytol, a constituent of chlorophyll, loses its hydroxyl group. When phytol loses one carbon atom, it yields pristane. Other sources of phytane and pristane have also been proposed than phytol.
Pris ...
+ 3 NADP
+ geranylgeranyl diphosphate + 3 NADPH + 3 H
+
This enzyme also acts on geranylgeranyl-chlorophyll a.
References
External links
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EC 1.3.1