4.99.1.4: sirohydrochlorin ferrochelatase
This is an abbreviated version!
For detailed information about sirohydrochlorin ferrochelatase, go to the full flat file.
Word Map on EC 4.99.1.4
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4.99.1.4
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uroporphyrinogen
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tetrapyrrole
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methyltransferase
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sirohaem
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prosthetic
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epr
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ferrochelation
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precorrin-2
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reductases
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fe-s
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nitrite
- 4.99.1.4
- uroporphyrinogen
- tetrapyrrole
- methyltransferase
-
sirohaem
-
prosthetic
- epr
-
ferrochelation
- precorrin-2
- reductases
- fe-s
- nitrite
Reaction
Synonyms
CbiX, CysG, Met8p, More, SirB, sirohydrochlorin ferrochelatase, sirohydrochlorin-ferrochelatase
ECTree
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Reaction
Reaction on EC 4.99.1.4 - sirohydrochlorin ferrochelatase
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siroheme + 2 H+ = sirohydrochlorin + Fe2+
the enzyme from Pseudomonas chloroaphis contains Ca2+ and protoheme IX, the iron of which must be in the form Fe2+ for activity, the enzyme exhibits a strong preference for aliphatic aldoximes, such as butyraldoxime and acetaldoxime, over aromatic aldoximes, such as pyridine-2-aldoxime, which is a poor substrate, no activity was found with the aromatic aldoximes benzaldoxime and pyridine-4-aldoxime, mechanism
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