Literature summary for 7.2.1.3 extracted from

Nakanishi, N.; Takeuchi, F.; Tsubaki, M.
Histidine cycle mechanism for the concerted proton/electron transfer from ascorbate to the cytosolic haem b centre of cytochrome b561: a unique machinery for the biological transmembrane electron transfer (2007), J. Biochem., 142, 553-560.

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Inhibitors

Inhibitors	Comment	Organism	Structure
diethylpyrocarbonate	the electron accepting ability of bovine cytochrome b561 from ascorbate is selectively inhibited by the treatment with diethylpyrocarbonate	Bos taurus

Localization

Localization	Comment	Organism	GeneOntology No.	Textmining

Organism

Organism	UniProt	Comment	Textmining
Bos taurus	-	-	-

Source Tissue

Source Tissue	Comment	Organism	Textmining
chromaffin cell	-	Bos taurus	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ascorbate[side 1] + Fe(III)[side 2]	-	Bos taurus	monodehydroascorbate[side 1] + Fe(II)[side 2]	-	?

Cofactor

Cofactor	Comment	Organism	Structure
heme	the enzyme has a heme b centre	Bos taurus

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Release 2023.1 (January 2023)