Literature summary for 1.7.2.2 extracted from

Almeida, M.G.; Macieira, S.; Goncalves, L.L.; Huber, R.; Cunha, C.A.; Romao, M.J.; Costa, C.; Lampreia, J.; Moura, J.J.; Moura, I.
The isolation and characterization of cytochrome c nitrite reductase subunits (NrfA and NrfH) from Desulfovibrio desulfuricans ATCC 27774. Re-evaluation of the spectroscopic data and redox properties (2003), Eur. J. Biochem., 270, 3904-3915.

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Localization

Localization	Comment	Organism	GeneOntology No.	Textmining
membrane	-	Desulfovibrio desulfuricans	16020	-

Molecular Weight [Da]

Molecular Weight [Da]	Molecular Weight Maximum [Da]	Comment	Organism
19000	-	x * 61000 (NrfA) + x * 19000 (NrfH), heterooligomeric complexhas an average 2NrfA:1NrfH composition	Desulfovibrio desulfuricans
61000	-	x * 61000 (NrfA) + x * 19000 (NrfH), heterooligomeric complexhas an average 2NrfA:1NrfH composition	Desulfovibrio desulfuricans

Organism

Organism	UniProt	Comment	Textmining
Desulfovibrio desulfuricans	-	ATCC 27774	-

Subunits

Subunits	Comment	Organism
?	x * 61000 (NrfA) + x * 19000 (NrfH), heterooligomeric complexhas an average 2NrfA:1NrfH composition	Desulfovibrio desulfuricans

Synonyms

Synonyms	Comment	Organism
cytochrome c nitrite reductase	-	Desulfovibrio desulfuricans

Cofactor

Cofactor	Comment	Organism	Structure
heme	NrfA contains five hemes and NrfH four hemes. NrfA contains the high-spin catalytic site (-80 mV) as well as a quite unusual high reduction potential (+ 150 mV)/low-spin bis-His coordinated heme, considered to be the site where electrons enter. The four NrfH hemes are all in a low-spin state	Desulfovibrio desulfuricans

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Release 2023.1 (January 2023)