4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase EC#: 1.17.7.4; 凯望编码 (ChemWhat Code): 1376020

英文名 4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase
Example Structure Example Structure of 4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase EC#: 1.17.7.4
别名 (E)-4-hydroxy-3-methylbut-2-enyl diphosphate reductase, 1-hydroxy-2-methyl-2-(E)-butenyl 4-diphosphate reductase, 1-hydroxy-2-methyl-2-(E)-butenyl-4-diphosphate reductase, 4-hydroxy-3-methylbut-2-enyl diphosphate reductase, 4-hydroxy-3-methylbut-2-enyl diphosphate reductase 1, 4-hydroxy-3-methylbut-2-enyl pyrophosphate reductase, BgHDR1, BgHDR2, chloroplast biogenesis6, Clb6, DsHDR, E-4-hydroxy-3-methyl-but-2-enyl diphosphate reductase, HDR, HDR1, HMBPP reductase, HsHDR1, HsHDR2, isoprenoid synthesis H, ispH, lysis-tolerant B, LytB, reductase, (E)-4-hydroxy-3-methylbut-2-enyl diphosphate, SrHDR
EC Number 1.17.7.4
CAS编号 512789-14-9
Comments An iron-sulfur protein that contains either a [3Fe-4S] [6] or a [4Fe-4S] [5] cluster. This enzyme forms a system with a ferredoxin or a flavodoxin and an NAD(P)H-dependent reductase. This is the last enzyme in the non-mevalonate pathway for isoprenoid biosynthesis. This pathway, also known as the 1-deoxy-D-xylulose 5-phosphate (DOXP) or as the 2-C-methyl-D-erythritol-4-phosphate (MEP) pathway, is found in most bacteria and in plant chloroplasts. The enzyme acts in the reverse direction, producing a 5:1 mixture of isopentenyl diphosphate and dimethylallyl diphosphate.
Cofactor iron-sulfur
History
Reactions (1) Isopentenyl diphosphate + 2 oxidized ferredoxin [iron-sulfur] cluster + H(2)O = (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H(+). (2) Dimethylallyl diphosphate + 2 oxidized ferredoxin [iron-sulfur] cluster + H(2)O = (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H(+).

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