Literature summary extracted from

Botella-Pavia, P.; Besumbes, O.; Phillips, M.A.; Carretero-Paulet, L.; Boronat, A.; Rodriguez-Concepcion, M.
Regulation of carotenoid biosynthesis in plants: Evidence for a key role of hydroxymethylbutenyl diphosphate reductase in controlling the supply of plastidial isoprenoid precursors (2004), Plant J., 40, 188-199.

Natural Substrates/ Products (Substrates)

EC Number	Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
1.17.7.4	additional information	Solanum lycopersicum	production of isopentenyl diphosphate and dimethylallyl diphosphate is key step in controlling the production of plastidial isoprenoid precursors and carotenoid biosynthesis in plant cells	?	-	?

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.17.7.4	Solanum lycopersicum	-	induced in correlation with carotinoid production during fruit ripening and, in recombinant Arabidopsis thaliana, in correlation with deetiolation of seedlings	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
1.17.7.4	2 (E)-4-hydroxy-3-methylbut-2-en-1-yl diphosphate + 4 reduced ferredoxin [iron-sulfur] cluster + 4 H+	-	Solanum lycopersicum	dimethylallyl diphosphate + isopentenyl diphosphate + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O	mixture of products	?
1.17.7.4	additional information	production of isopentenyl diphosphate and dimethylallyl diphosphate is key step in controlling the production of plastidial isoprenoid precursors and carotenoid biosynthesis in plant cells	Solanum lycopersicum	?	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
1.17.7.4	HDR	-	Solanum lycopersicum

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Release 2023.1 (January 2023)