Literature summary extracted from

Lv, M.Z.; Chao, D.Y.; Shan, J.X.; Zhu, M.Z.; Shi, M.; Gao, J.P.; Lin, H.X.
Rice carotenoid beta-ring hydroxylase CYP97A4 is involved in lutein biosynthesis (2012), Plant Cell Physiol., 53, 987-1002.

Cloned(Commentary)

EC Number	Cloned (Comment)	Organism
1.14.15.24	expressed in Nicotiana tabacum cultivar Nipponbare	Oryza sativa

Localization

EC Number	Localization	Comment	Organism	GeneOntology No.	Textmining
1.14.15.24	chloroplast	-	Oryza sativa	9507	-

Natural Substrates/ Products (Substrates)

EC Number	Natural Substrates	Organism	Comment (Nat. Sub.)	Natural Products	Comment (Nat. Pro.)	Rev.	Reac.
1.14.15.24	alpha-carotene + reduced acceptor + H+ + O2	Oryza sativa	-	zeinoxanthin + acceptor + H2O	-	?
1.14.15.24	beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + H+ + O2	Oryza sativa	-	zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + H2O	-	?

Organism

EC Number	Organism	UniProt	Comment	Textmining
1.14.15.24	Oryza sativa	-	-	-

Source Tissue

EC Number	Source Tissue	Comment	Organism	Textmining
1.14.15.24	leaf	preferentially expressed in leaves	Oryza sativa	-
1.14.15.24	leaf sheath	-	Oryza sativa	-
1.14.15.24	root	-	Oryza sativa	-
1.14.15.24	spikelet	-	Oryza sativa	-
1.14.15.24	stem	-	Oryza sativa	-

Substrates and Products (Substrate)

EC Number	Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
1.14.15.24	alpha-carotene + reduced acceptor + H+ + O2	-	Oryza sativa	zeinoxanthin + acceptor + H2O	-	?
1.14.15.24	beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + H+ + O2	-	Oryza sativa	zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + H2O	-	?

Synonyms

EC Number	Synonyms	Comment	Organism
1.14.15.24	betaOHase	-	Oryza sativa
1.14.15.24	carotenoid beta-ring hydroxylase	-	Oryza sativa
1.14.15.24	CrtR-B	-	Oryza sativa
1.14.15.24	CYP97A4	-	Oryza sativa

General Information

EC Number	General Information	Comment	Organism
1.14.15.24	malfunction	knock-out of the gene reduces lutein and increases alpha-carotene, contributing to sensitivity to intense light	Oryza sativa
1.14.15.24	metabolism	the enzyme is involved in lutein biosynthesis and also alpha-carotene hydroxylation	Oryza sativa

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Release 2023.1 (January 2023)