1977
DOI: 10.1016/0014-5793(77)80948-4
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Covalent binding of arylazido derivatives of cytochrome c to cytochrome oxidase

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Cited by 46 publications
(31 citation statements)
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“…2. Subunit II is assumed to contain heme a since cytochrome c binds specifically to this subunit: (i) Dithiobis(succinimidylpropionate) crosslinked cytochrome c with subunit II when reacted with the cytochrome c-cytochrome c oxidase complex [74]; (ii) Arylazido-derivatives ofcytochrome c reacted with subunit II of beef heart [75,76] and yeast [77] cytochrome c oxidase. 3.…”
Section: Location Of Redox Centers and The Proton Channelmentioning
confidence: 99%
“…2. Subunit II is assumed to contain heme a since cytochrome c binds specifically to this subunit: (i) Dithiobis(succinimidylpropionate) crosslinked cytochrome c with subunit II when reacted with the cytochrome c-cytochrome c oxidase complex [74]; (ii) Arylazido-derivatives ofcytochrome c reacted with subunit II of beef heart [75,76] and yeast [77] cytochrome c oxidase. 3.…”
Section: Location Of Redox Centers and The Proton Channelmentioning
confidence: 99%
“…Preparations of cytochrome c oxidase [lo] from beef-hearts, and of cytochrome c arylazido derivatives [5] [5,6] . Cytochrome c oxidase activity and concentration were measured according to [5].…”
Section: Methodsmentioning
confidence: 99%
“…In this work yeast cytochrome oxidase was reacted with arylazido cytochrome c in order to compare the subunits of yeast and beef-heart cytochrome oxidase which are crosslinked when this derivative is used [5,6] . Furthermore, subunit II, which may migrate anomalously with respect to subunit III [9] , was identified in our experimental conditions by labeling its highly reactive SHgroup withN-['4C]ethylmaleimide.…”
Section: Elsevierlnorth-holland Biomedical Pressmentioning
confidence: 99%
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“…Such a conclusion may be important, since it would mean that subunit II needed to bind only copper and cytochrome c. The cytochrome c binding property has been confirmed by several approaches that indicate that subunit II participates with other subunits to create the cytochrome c binding domain (15)(16)(17) (23) without the addition of polymerized 0.5% polyacrylamide. Slab gels were conventionally stained with Coomassie blue or by silver as described by Bio-Rad.…”
mentioning
confidence: 99%