1.14.15.9: spheroidene monooxygenase
This is an abbreviated version!
For detailed information about spheroidene monooxygenase, go to the full flat file.
Word Map on EC 1.14.15.9
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1.14.15.9
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rhodobacter
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sphaeroides
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light-harvesting
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spheroidenone
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purple
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sulfidophilum
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rhodovulum
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torulene
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o-methyltransferase
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carotene
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rc-lh1-pufx
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lycopene
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desaturase
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pigments
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analysis
- 1.14.15.9
- rhodobacter
- sphaeroides
-
light-harvesting
- spheroidenone
-
purple
- sulfidophilum
-
rhodovulum
- torulene
-
o-methyltransferase
- carotene
-
rc-lh1-pufx
- lycopene
-
desaturase
- pigments
- analysis
Reaction
Synonyms
acyclic carotenoid 2-ketolase, CrtA
ECTree
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General Information
General Information on EC 1.14.15.9 - spheroidene monooxygenase
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malfunction
physiological function
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the enzyme is involved in spheroidene biosynthesis pathway and spirilloxanthin biosynthesis pathway. Methylated carotenoids, such as spheroidene and spirilloxanthin, function as accessory pigments in the light-harvesting and reaction-center complexes of purple bacteria
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a Tn5.7 mutation in the 3' region of the crtA yields a bacteriochllorophyll-minus phenotype, while a 5'-insertion affects only carotenoid biosynthesis
malfunction
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crtA-deleted mutants of Rhodovulum sulfidophilum did not produce spheroiden-2-one and 1-demethylspheroidenone. The ratio of demethylspheroidene to spheroidene increased with exposure to light
malfunction
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the combined manipulation of crtF and crtA allows new carotenoids to be produced and broadenes the diversity of structurally different carotenoids synthesized by Rubriovivax gelatinosus