Category:TP5
From Metabolomics.JP
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=={{Bilingual|生合成|Biosynthesis}}== | =={{Bilingual|生合成|Biosynthesis}}== | ||
==={{Bilingual|概要|Overview}}=== | ==={{Bilingual|概要|Overview}}=== | ||
| + | Two major classes of terpene synthases exist: "transoid" and "cisoid" synthase. | ||
| + | Transoid synthase directly ionizes ('trans','trans')-farnesyl diphosphate, whereas | ||
| + | Cisoid synthase first isomerizes C2-C3 double bond to produce the neutral (3'R')- or (3'S')-nerolidyl diphosphate (enzyme-bound) and then ionizes it. | ||
| + | |||
| + | {| | ||
| + | ! Type || Substrate | ||
| + | | Transoid synthase | ||
| + | |(2-'trans',6-'trans')-farnesyl diphosphate | ||
| + | |- | ||
| + | | Cisoid synthase | ||
| + | |((2-'cis',6-'trans')-farnesyl diphosphate | ||
| + | |} | ||
| + | |||
Revision as of 09:58, 22 July 2014
Contents |
Sesquiterpene (C15)
Ring configuration
Germacrane
Sesquiterpenes
Biosynthesis
Overview
Two major classes of terpene synthases exist: "transoid" and "cisoid" synthase. Transoid synthase directly ionizes ('trans','trans')-farnesyl diphosphate, whereas Cisoid synthase first isomerizes C2-C3 double bond to produce the neutral (3'R')- or (3'S')-nerolidyl diphosphate (enzyme-bound) and then ionizes it.
| Type | Substrate | Transoid synthase | (2-'trans',6-'trans')-farnesyl diphosphate |
|---|---|---|---|
| Cisoid synthase | ((2-'cis',6-'trans')-farnesyl diphosphate |
- References
Sesquiterpene Synthase
| farnesyl diphosphate | ||||||||
| | ||||||||
| farnesyl cation |
| |||||||
(E,E)-germacradiene
|
eudesmane (= selinane)
|
vetispiradienyl cation | ||||||
eremophilane (= 14(10→5) abeoeudesmane)
| ||||||||
| guaiane |
cycloguaiane | |||||||
| (E,E)-humulane |
caryophyllane | |||||||
| africanane | ||||||||
| drimane |
||||||||
| nerolidyl cation |
bisabolane |
chamigrane ... 6,11-cyclobisabolane | ||||||
cuparane (= 7,11-cyclobisabolane)
|
trichothecane [1]
| |||||||
| (Z,E)-germacradiene |
cadinane | |||||||
| (Z,E)-humulane |
himachalane | |||||||
| protoilludane |
hirsutane | |||||||
| cycloheptenyl cation |
daucane (= carotane) | |||||||
| furodysin | ||||||||
| others |
|
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