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An iron-oxygen intermediate formed during the catalytic cycle of cysteine dioxygenase.


ABSTRACT: Cysteine dioxygenase is a key enzyme in the breakdown of cysteine, but its mechanism remains controversial. A combination of spectroscopic and computational studies provides the first evidence of a short-lived intermediate in the catalytic cycle. The intermediate decays within 20 ms and has absorption maxima at 500 and 640 nm.

SUBMITTER: Tchesnokov EP 

PROVIDER: S-EPMC5043143 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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An iron-oxygen intermediate formed during the catalytic cycle of cysteine dioxygenase.

Tchesnokov E P EP   Faponle A S AS   Davies C G CG   Quesne M G MG   Turner R R   Fellner M M   Souness R J RJ   Wilbanks S M SM   de Visser S P SP   Jameson G N L GN  

Chemical communications (Cambridge, England) 20160701 57


Cysteine dioxygenase is a key enzyme in the breakdown of cysteine, but its mechanism remains controversial. A combination of spectroscopic and computational studies provides the first evidence of a short-lived intermediate in the catalytic cycle. The intermediate decays within 20 ms and has absorption maxima at 500 and 640 nm. ...[more]

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