Prenyltransferase: Difference between revisions
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'''Prenyltransferases''' (PTs) are a class of [[enzyme]]s that transfer allylic prenyl groups to acceptor molecules. Prenyl transferases commonly refer to isoprenyl diphosphate syntheses (IPPSs).<ref name="pmid16900467">{{cite journal |vauthors=Takahashi S, Koyama T | title = Structure and function of cis-prenyl chain elongating enzymes | journal = The Chemical Record | volume = 6 | issue = 4 | pages = 194–205 | year = 2006 | pmid = 16900467 | doi = 10.1002/tcr.20083 }}</ref><ref>{{Cite journal |last1=Liang |first1=Po-Huang |last2=Ko |first2=Tzu-Ping |last3=Wang |first3=Andrew H.-J |date=July 2002 |title=Structure, mechanism and function of prenyltransferases: Structure, mechanism and function of prenyltransferases |url=http://doi.wiley.com/10.1046/j.1432-1033.2002.03014.x |journal=European Journal of Biochemistry |language=en |volume=269 |issue=14 |pages=3339–3354 |doi=10.1046/j.1432-1033.2002.03014.x|pmid=12135472 }}</ref> Prenyltransferases are a functional category and include several enzyme groups that are evolutionarily independent. |
'''Prenyltransferases''' (PTs) are a class of [[enzyme]]s that transfer allylic prenyl groups to acceptor molecules. Prenyl transferases commonly refer to isoprenyl diphosphate syntheses (IPPSs).<ref name="pmid16900467">{{cite journal |vauthors=Takahashi S, Koyama T | title = Structure and function of cis-prenyl chain elongating enzymes | journal = The Chemical Record | volume = 6 | issue = 4 | pages = 194–205 | year = 2006 | pmid = 16900467 | doi = 10.1002/tcr.20083 | doi-access = free }}</ref><ref>{{Cite journal |last1=Liang |first1=Po-Huang |last2=Ko |first2=Tzu-Ping |last3=Wang |first3=Andrew H.-J |date=July 2002 |title=Structure, mechanism and function of prenyltransferases: Structure, mechanism and function of prenyltransferases |url=http://doi.wiley.com/10.1046/j.1432-1033.2002.03014.x |journal=European Journal of Biochemistry |language=en |volume=269 |issue=14 |pages=3339–3354 |doi=10.1046/j.1432-1033.2002.03014.x|pmid=12135472 }}</ref> Prenyltransferases are a functional category and include several enzyme groups that are evolutionarily independent. |
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Prenyltransferases are commonly divided into two classes, cis (or Z) and trans (or E), depending upon the [[stereochemistry]] of the resulting products. Examples of trans-prenyltranferases include [[dimethylallyltranstransferase]], and geranylgeranyl pyrophosphate synthase. Cis-prenyltransferases include dehydrodolichol diphosphate synthase (involved in the production of a precursor to [[dolichol]]). Trans- and cis-prenyltransferases are evolutionarily unrelated to each other and there is no sequential and structural similarity. |
Prenyltransferases are commonly divided into two classes, cis (or Z) and trans (or E), depending upon the [[stereochemistry]] of the resulting products. Examples of trans-prenyltranferases include [[dimethylallyltranstransferase]], and geranylgeranyl pyrophosphate synthase. Cis-prenyltransferases include dehydrodolichol diphosphate synthase (involved in the production of a precursor to [[dolichol]]). Trans- and cis-prenyltransferases are evolutionarily unrelated to each other and there is no sequential and structural similarity. |
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Revision as of 09:23, 17 November 2023
| Prenyltransferase and squalene oxidase repeat | |||||||||
|---|---|---|---|---|---|---|---|---|---|
 Structure of a squalene cyclase.[1] | |||||||||
| Identifiers | |||||||||
| Symbol | Prenyltrans | ||||||||
| Pfam | PF00432 | ||||||||
| Pfam clan | CL0059 | ||||||||
| InterPro | IPR001330 | ||||||||
| PROSITE | PDOC00825 | ||||||||
| SCOP2 | 1sqc / SCOPe / SUPFAM | ||||||||
| OPM superfamily | 37 | ||||||||
| OPM protein | 1w6k | ||||||||
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Prenyltransferases (PTs) are a class of enzymes that transfer allylic prenyl groups to acceptor molecules. Prenyl transferases commonly refer to isoprenyl diphosphate syntheses (IPPSs).[2][3] Prenyltransferases are a functional category and include several enzyme groups that are evolutionarily independent.
Prenyltransferases are commonly divided into two classes, cis (or Z) and trans (or E), depending upon the stereochemistry of the resulting products. Examples of trans-prenyltranferases include dimethylallyltranstransferase, and geranylgeranyl pyrophosphate synthase. Cis-prenyltransferases include dehydrodolichol diphosphate synthase (involved in the production of a precursor to dolichol). Trans- and cis-prenyltransferases are evolutionarily unrelated to each other and there is no sequential and structural similarity.
The beta subunit of the farnesyltransferases is responsible for peptide binding. Squalene-hopene cyclase is a bacterial enzyme that catalyzes the cyclization of squalene into hopene, a key step in hopanoid (triterpenoid) metabolism.[1] Lanosterol synthase (EC 5.4.99.7) (oxidosqualene-lanosterol cyclase) catalyzes the cyclization of (S)-2,3-epoxysqualene to lanosterol, the initial precursor of cholesterol, steroid hormones and vitamin D in vertebrates and of ergosterol in fungi.[4] Cycloartenol synthase (EC 5.4.99.8) (2,3-epoxysqualene-cycloartenol cyclase) is a plant enzyme that catalyzes the cyclization of (S)-2,3-epoxysqualene to cycloartenol.
Human proteins containing this domain
References
- ^ a b Wendt KU, Poralla K, Schulz GE (1997). "Structure and function of a squalene cyclase". Science. 277 (5333): 1811–1815. doi:10.1126/science.277.5333.1811. PMID 9295270.
- ^ Takahashi S, Koyama T (2006). "Structure and function of cis-prenyl chain elongating enzymes". The Chemical Record. 6 (4): 194–205. doi:10.1002/tcr.20083. PMID 16900467.
- ^ Liang, Po-Huang; Ko, Tzu-Ping; Wang, Andrew H.-J (July 2002). "Structure, mechanism and function of prenyltransferases: Structure, mechanism and function of prenyltransferases". European Journal of Biochemistry. 269 (14): 3339–3354. doi:10.1046/j.1432-1033.2002.03014.x. PMID 12135472.
- ^ Prestwich GD, Poralla K, Hewelt A, Abe I, Reipen I, Sprenger G (1994). "A specific amino acid repeat in squalene and oxidosqualene cyclases". Trends Biochem. Sci. 19 (4): 157–158. doi:10.1016/0968-0004(94)90276-3. PMID 8016864.
External links
- Prenyltransferase at the U.S. National Library of Medicine Medical Subject Headings (MeSH)
- Protein prenyltransferases alpha subunit repeat in PROSITE
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