Literature summary for 1.17.4.1 extracted from

Sahlin, M.; Sj�berg, B.M.; Backes, G.; Loehr, T.; Sanders-Loehr, J.
Activation of the iron-containing B2 protein of ribonucleotide reductase by hydrogen peroxide (1990), Biochem. Biophys. Res. Commun., 167, 813-818.

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Activating Compound

Activating Compound	Comment	Organism	Structure
H2O2	activation	Escherichia coli

Metals/Ions

Metals/Ions	Comment	Organism	Structure
Iron	B2 subunit contains 2 dinuclear Fe3+ centers	Escherichia coli

Organism

Organism	UniProt	Comment	Textmining
Escherichia coli	-	-	-

Substrates and Products (Substrate)

Substrates	Comment Substrates	Organism	Products	Comment (Products)	Rev.	Reac.
ribonucleoside diphosphate + reduced thioredoxin	-	Escherichia coli	2'-deoxyribonucleoside diphosphate + oxidized thioredoxin + H2O	-	ir

Subunits

Subunits	Comment	Organism
More	the active form of B2 subunit contains a tyrosyl radical essential for activity	Escherichia coli

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Release 2023.1 (January 2023)