Biology:Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific)
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Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific) | |||||||||
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Identifiers | |||||||||
EC number | 2.5.1.82 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
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Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific) (EC 2.5.1.82, HexPS, (all-E) hexaprenyl diphosphate synthase, (all-trans) hexaprenyl diphosphate synthase, hexaprenyl pyrophosphate synthase, HexPPs, hexaprenyl diphosphate synthase) is an enzyme with systematic name geranylgeranyl-diphosphate:isopentenyl-diphosphate transferase (adding 2 isopentenyl units).[1][2][3] This enzyme catalyses the following chemical reaction
- geranylgeranyl diphosphate + 2 isopentenyl diphosphate [math]\displaystyle{ \rightleftharpoons }[/math] 2 diphosphate + all-trans-hexaprenyl diphosphate
The enzyme prefers geranylgeranyl diphosphate to farnesyl diphosphate as an allylic substrate.
References
- ↑ "Novel medium-chain prenyl diphosphate synthase from the thermoacidophilic archaeon Sulfolobus solfataricus". Journal of Bacteriology 184 (3): 615–20. February 2002. doi:10.1128/JB.184.3.615-620.2002. PMID 11790729.
- ↑ "Change of product specificity of hexaprenyl diphosphate synthase from Sulfolobus solfataricus by introducing mimetic mutations". Biochemical and Biophysical Research Communications 297 (5): 1096–101. October 2002. doi:10.1016/S0006-291X(02)02348-3. PMID 12372398.
- ↑ "Homodimeric hexaprenyl pyrophosphate synthase from the thermoacidophilic crenarchaeon Sulfolobus solfataricus displays asymmetric subunit structures". Journal of Bacteriology 187 (23): 8137–48. December 2005. doi:10.1128/JB.187.23.8137-8148.2005. PMID 16291686.
External links
- Hexaprenyl+diphosphate+synthase+(geranylgeranyl-diphosphate+specific) at the US National Library of Medicine Medical Subject Headings (MeSH)
Original source: https://en.wikipedia.org/wiki/Hexaprenyl diphosphate synthase (geranylgeranyl-diphosphate specific).
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