(+)-abscisic acid 8′-hydroxylase EC#: 1.14.14.137; ChemWhat Code: 1375645

Product Name (+)-abscisic acid 8′-hydroxylase
Example Structure Example Structure of (+)-abscisic acid 8'-hydroxylase EC#: 1.14.14.137
Synonyms (+)-abscisic acid 8′-hydroxylase, (+)ABA 8′-hydroxylase, ABA 8′-hydroxylase, ABA 8-hydroxylase, ABA-8′-hydroxylase, ABA-8-OH, ABA8’OH, ABA8’OH-1, ABA8’OH1-A, ABA8’OH1-B, ABA8’OH1-D, ABAH, ABAQ 8¡¯-hydroxylase, abscisic acid 8′-hydroxylase, AhCYP707A1, AhCYP707A2, CYP707A, CYP707A1, CYP707A2, CYP707A3, CYP707A4, cytochrome P450 monooxygenase 707A1, L484_006346, L484_008779, L484_017886, L484_021936, L484_025277, L484_027528, MdCYP707A, MnCYP707A1, MnCYP707A2, MnCYP707A3, MnCYP707A4, MnCYP707A5, MnCYP707A6, TaABA8’OH1, TaCYP707A1B
EC Number 1.14.14.137
CAS Registry Number 153190-37-5
Comments A cytochrome P450 (heme-thiolate) protein found in plants. Catalyses the first step in the oxidative degradation of abscisic acid and is considered to be the pivotal enzyme in controlling the rate of degradation of this plant hormone [1]. CO inhibits the reaction, but its effects can be reversed by the presence of blue light [1]. The 8′-hydroxyabscisate formed can be converted into (?)-phaseic acid, most probably spontaneously.
Cofactor heme-thiolate
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