The Enzyme Database

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EC 2.5.1.159     
Accepted name: hapalindole G dimethylallyltransferase
Reaction: (1) prenyl diphosphate + hapalindole G = ambiguine A + diphosphate
(2) prenyl diphosphate + hapalindole U = ambiguine H + diphosphate
For diagram of hapalindole/fischerindole biosynthesis, click here
Glossary: prenyl diphosphate = dimethylallyl diphosphate
hapalindole G = (6aS,8R,9R,10R,10aS)-8-chloro-10-isocyano-6,6,9-trimethyl-9-vinyl-2,6,6a,7,8,9,10,10a-octahydronaphtho[1,2,3-cd]indole
ambiguine A = (6aS,8R,9R,10R,10aS)-8-chloro-10-isocyano-6,6,9-trimethyl-1-(2-methylbut-3-en-2-yl)-9-vinyl-2,6,6a,7,8,9,10,10a-octahydronaphtho[1,2,3-cd]indole
hapalindole U = (6aS,9R,10R,10aS)-10-isocyano-6,6,9-trimethyl-9-vinyl-2,6,6a,7,8,9,10,10a-octahydronaphtho[1,2,3-cd]indole
ambiguine H = (6aS,9R,10R,10aS)-9-ethenyl-10-isocyano-6,6,9-trimethyl-1-(2-methylbut-3-en-2-yl)-2,6,6a,7,8,9,10,10a-octahydronaphtho[1,2,3-cd]indole
Other name(s): ambP3 (gene name); famD1 (gene name)
Systematic name: prenyl-diphosphate:hapalindole G prenyltransferase (ambiguine A-forming)
Comments: Requires Mg2+. The enzyme, characterized from the cyanobacterium Fischerella ambigua UTEX 1903, is involved in the biosynthesis of hapalindole-type alkaloids.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Hillwig, M.L., Zhu, Q. and Liu, X. Biosynthesis of ambiguine indole alkaloids in cyanobacterium Fischerella ambigua. ACS Chem. Biol. 9 (2014) 372–377. [DOI] [PMID: 24180436]
[EC 2.5.1.159 created 2024]
 
 


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