Geranylgeranylglycerol-phosphate geranylgeranyltransferase

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geranylgeranylglycerol-phosphate geranylgeranyltransferase
Identifiers
EC no. 2.5.1.42
CAS no. 124650-68-6
Databases
IntEnz IntEnz view
BRENDA BRENDA entry
ExPASy NiceZyme view
KEGG KEGG entry
MetaCyc metabolic pathway
PRIAM profile
PDB structures RCSB PDB PDBe PDBsum
Gene Ontology AmiGO / QuickGO
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NCBI proteins

In enzymology, a geranylgeranylglycerol-phosphate geranylgeranyltransferase (EC 2.5.1.42) is an enzyme that catalyzes the chemical reaction

geranylgeranyl diphosphate + sn-3-O-(geranylgeranyl)glycerol 1-phosphate diphosphate + 2,3-bis-O-(geranylgeranyl)glycerol 1-phosphate

Thus, the two substrates of this enzyme are geranylgeranyl diphosphate and sn-3-O-(geranylgeranyl)glycerol 1-phosphate, whereas its two products are diphosphate and 2,3-bis-O-(geranylgeranyl)glycerol 1-phosphate.

This enzyme belongs to the family of transferases, specifically those transferring aryl groups or alkyl groups other than methyl groups. The systematic name of this enzyme class is geranylgeranyl diphosphate:sn-3-O-(geranylgeranyl)glycerol 1-phosphate geranylgeranyltransferase. Other names in common use include geranylgeranyloxyglycerol phosphate geranylgeranyltransferase, and geranylgeranyltransferase II.

Structural studies

As of late 2007, two structures have been solved for this class of enzymes, with PDB accession codes 2F6U and 2F6X.

Related Research Articles

Geranylgeranyltransferase type 1 or simply geranylgeranyltransferase is one of the three enzymes in the prenyltransferase group. In specific terms, Geranylgeranyltransferase adds a 20-carbon isoprenoid called a geranylgeranyl group to proteins bearing a CaaX motif: a four-amino acid sequence at the carboxyl terminal of a protein. Geranylgeranyltransferase inhibitors are being investigated as anti-cancer agents.

<span class="mw-page-title-main">Rab geranylgeranyltransferase</span> Class of enzyme complexes

Rab geranylgeranyltransferase also known as (protein) geranylgeranyltransferase II is one of the three prenyltransferases. It transfers (usually) two geranylgeranyl groups to the cystein(s) at the C-terminus of Rab proteins.

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References