tryptophan dimethylallyltransferase | |||||||||
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Identifiers | |||||||||
EC no. | 2.5.1.34 | ||||||||
CAS no. | 55127-01-0 | ||||||||
Databases | |||||||||
IntEnz | IntEnz view | ||||||||
BRENDA | BRENDA entry | ||||||||
ExPASy | NiceZyme view | ||||||||
KEGG | KEGG entry | ||||||||
MetaCyc | metabolic pathway | ||||||||
PRIAM | profile | ||||||||
PDB structures | RCSB PDB PDBe PDBsum | ||||||||
Gene Ontology | AmiGO / QuickGO | ||||||||
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In enzymology, a tryptophan dimethylallyltransferase (EC 2.5.1.34) is an enzyme that catalyzes the chemical reaction
Thus, the two substrates of this enzyme are dimethylallyl diphosphate and L-tryptophan, whereas its two products are diphosphate and 4-(3-methylbut-2-enyl)-L-tryptophan.
This enzyme belongs to the family of transferases, specifically those transferring aryl or alkyl groups other than methyl groups. The systematic name of this enzyme class is dimethylallyl-diphosphate:L-tryptophan dimethylallyltransferase. Other names in common use include dimethylallylpyrophosphate:L-tryptophan dimethylallyltransferase, dimethylallyltryptophan synthetase, dimethylallylpyrophosphate:tryptophan dimethylallyl transferase, DMAT synthetase, and 4-(gamma,gamma-dimethylallyl)tryptophan synthase.
Cyclopiazonic acid (α-CPA), a mycotoxin and a fungal neurotoxin, is made by the molds Aspergillus and Penicillium. It is an indole-tetramic acid that serves as a toxin due to its ability to inhibit calcium-dependent ATPases found in the endoplasmic and sarcoplasmic reticulum. This inhibition disrupts the muscle contraction-relaxation cycle and the calcium gradient that is maintained for proper cellular activity in cells.
(E)-4-Hydroxy-3-methyl-but-2-enyl pyrophosphate (HMBPP or HMB-PP) is an intermediate of the MEP pathway (non-mevalonate pathway) of isoprenoid biosynthesis. The enzyme HMB-PP synthase (GcpE, IspG) catalyzes the conversion of 2-C-methyl-D-erythritol 2,4-cyclodiphosphate (MEcPP) into HMB-PP. HMB-PP is then converted further to isopentenyl pyrophosphate (IPP) and dimethylallyl pyrophosphate (DMAPP) by HMB-PP reductase (LytB, IspH).
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4-Hydroxy-3-methylbut-2-enyl diphosphate reductase (EC 1.17.1.2, isopentenyl-diphosphate:NADP+ oxidoreductase, LytB, (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate reductase, HMBPP reductase, IspH, LytB/IspH) is an enzyme in the non-mevalonate pathway. It acts upon (E)-4-Hydroxy-3-methyl-but-2-enyl pyrophosphate (or "HMB-PP").
4-dimethylallyltryptophan N-methyltransferase is an enzyme with systematic name S-adenosyl-L-methionine:4-(3-methylbut-2-enyl)-L-tryptophan N-methyltransferase. This enzyme catalyses the following chemical reaction
Trihydroxypterocarpan dimethylallyltransferase is an enzyme with systematic name dimethylallyl-diphosphate:(6aS,11aS)-3,6a,9-trihydroxypterocarpan dimethylallyltransferase. This enzyme catalyses the following chemical reaction
Leachianone-G 2''-dimethylallyltransferase is an enzyme with systematic name dimethylallyl-diphosphate:leachianone-G 2''-dimethylallyltransferase. This enzyme catalyses the following chemical reaction:
TRNA dimethylallyltransferase is an enzyme with systematic name dimethylallyl-diphosphate: tRNA dimethylallyltransferase. This enzyme catalyses the following chemical reaction
7-dimethylallyltryptophan synthase is an enzyme with systematic name dimethylallyl-diphosphate:L-tryptophan 7-dimethylallyltransferase. This enzyme catalyses the following chemical reaction
Fumigaclavine A dimethylallyltransferase is an enzyme with systematic name dimethylallyl-diphosphate:fumigaclavine A dimethylallyltransferase. This enzyme catalyses the following chemical reaction