The Enzyme Database

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EC 2.5.1.93     
Accepted name: 4-hydroxybenzoate geranyltransferase
Reaction: geranyl diphosphate + 4-hydroxybenzoate = 3-geranyl-4-hydroxybenzoate + diphosphate
Other name(s): PGT1; PGT2; 4HB geranyltransferase; 4HB:geranyltransferase; p-hydroxybenzoate geranyltransferase; PHB geranyltransferase; geranyl diphosphate:4-hydroxybenzoate geranyltransferase
Systematic name: geranyl-diphosphate:4-hydroxybenzoate 3-geranyltransferase
Comments: The enzyme is involved in shikonin biosynthesis. It has a strict substrate specificity for geranyl diphosphate and an absolute requirement for Mg2+ [2].
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Ohara, K., Muroya, A., Fukushima, N. and Yazaki, K. Functional characterization of LePGT1, a membrane-bound prenyltransferase involved in the geranylation of p-hydroxybenzoic acid. Biochem. J. 421 (2009) 231–241. [PMID: 19392660]
2.  Muhlenweg, A., Melzer, M., Li, S.M. and Heide, L. 4-Hydroxybenzoate 3-geranyltransferase from Lithospermum erythrorhizon: purification of a plant membrane-bound prenyltransferase. Planta 205 (1998) 407–413. [PMID: 9640665]
3.  Yazaki, K., Kunihisa, M., Fujisaki, T. and Sato, F. Geranyl diphosphate:4-hydroxybenzoate geranyltransferase from Lithospermum erythrorhizon. Cloning and characterization of a key enzyme in shikonin biosynthesis. J. Biol. Chem. 277 (2002) 6240–6246. [PMID: 11744717]
[EC 2.5.1.93 created 2010]
 
 


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