DB identifier
|
AT5G60600 | Secondary Identifier
|
locus:2175851 |
| Name
|
4-hydroxy-3-methylbut-2-enyl diphosphate synthase | Brief Description | 4-hydroxy-3-methylbut-2-enyl diphosphate synthase |
| TAIR Computational Description | 4-hydroxy-3-methylbut-2-enyl diphosphate synthase;(source:Araport11) |
| TAIR Curator Summary | Encodes a chloroplast-localized hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate (HMBPP) synthase (HDS), catalyzes the formation of HMBPP from 2-C-methyl-D-erythrytol 2,4-cyclodiphosphate (MEcPP). The HDS enzyme controls the penultimate steps of the biosynthesis of IPP and dimethylallyl diphosphate (DMAPP) via the MEP pathway and may serve as a metabolic control point for SA-mediated disease resistance. In the light, the electrons required for the reaction catalyzed by HDS are directly provided by the electron flow from photosynthesis via ferredoxin. In the dark however, the enzyme requires an electron shuttle: ferredoxin-NADP<sup>+</sup> reductase. The mRNA is cell-to-cell mobile. |
| TAIR Short Description | 4-hydroxy-3-methylbut-2-enyl diphosphate synthase |
| TAIR Aliases | CLB4, CSB3, GCPE, HDS, ISPG |
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