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Ligand phoenicoxanthin Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
Basic Ligand Information Molecular Structure
C4 0 H5 2 O3
phoenicoxanthin
OOUTWVMJGMVRQF-ROKXECAJSA-N
Roles as Enzyme Ligand
In Vivo Substrate in Enzyme-catalyzed Reactions (1 result)
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phoenicoxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2 = astaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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In Vivo Product in Enzyme-catalyzed Reactions (1 result)
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canthaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2 = phoenicoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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Substrate in Enzyme-catalyzed Reactions (2 results)
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phoenicoxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2 = astaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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phoenicoxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2 = astaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
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Product in Enzyme-catalyzed Reactions (2 results)
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3-hydroxyechinenone + acceptor + O2 = phoenicoxanthin + reduced acceptor
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canthaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2 = phoenicoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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Enzyme Kinetic Parameters
KM Value (1 result)
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0.001
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in 0.4 M Tris/HCl, pH 8.0, at 30°C
References & Links Literature References (3)
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The crtS gene of Xanthophyllomyces dendrorhous encodes a novel cytochrome-P450 hydroxylase involved in the conversion of beta-carotene into astaxanthin and other xanthophylls
2006
Alvarez, V.; Rodriguez-Saiz, M.; de la Fuente, J.L.; Gudina, E.J.; Godio, R.P.; Martin, J.F.; Barredo, J.L.
Fungal Genet. Biol.
43
261-272
Enzymic confirmation of reactions involved in routes to astaxanthin formation, elucidated using a direct substrate in vitro assay
1998
Fraser, P.D.; Shimada, H.; Misawa, N.
Eur. J. Biochem.
252
229-236
Alleviation of metabolic bottleneck by combinatorial engineering enhanced astaxanthin synthesis in Saccharomyces cerevisiae
2017
Zhou, P.; Xie, W.; Li, A.; Wang, F.; Yao, Z.; Bian, Q.; Zhu, Y.; Yu, H.; Ye, L.
Enzyme Microb. Technol.
100
28-36
Links to other databases for phoenicoxanthin