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Article

Characterization of the first cytoplasmic loop of subunit a of the Escherichia coli ATP synthase by surface labeling, cross-linking, and mutagenesis.

The Journal of biological chemistry - 26 Jul 2002

Long Julie C, DeLeon-Rangel Jessica, Vik Steven B

Abstract excerpt

The first cytoplasmic loop of subunit a of the Escherichia coli ATP synthase has been analyzed by cysteine substitution mutagenesis. 13 of the 26 residues tested were found to be accessible to the reaction with 3-(N-maleimidylpropionyl)-biocytin. The other 13 residues predominantly found in the central region of the polypeptide chain between the two transmembrane spans were more resistant to labeling by...

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PMID: 12021273
DOI: 10.1074/jbc.M202118200

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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