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Article

Structural and functional characterization of the unusual triheme cytochrome bound to the reaction center of Rhodovulum sulfidophilum.

The Journal of biological chemistry - 18 Jun 2004

Alric Jean, Tsukatani Yusuke, Yoshida Makoto, Matsuura Katsumi, Shimada Keizo, Hienerwadel Rainer, Schoepp-Cothenet Barbara, Nitschke Wolfgang, Nagashima Kenji V P, Verméglio André

Abstract excerpt

The cytochrome bound to the photosynthetic reaction center of Rhodovulum sulfidophilum presents two unusual characteristics with respect to the well characterized tetraheme cytochromes. This cytochrome contains only three hemes because it lacks the peptide motif CXXCH, which binds the most distal fourth heme. In addition, we show that the sixth axial ligand of the third heme is a cysteine (Cys-148) instead of the...

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PMID: 15069076
DOI: 10.1074/jbc.M400361200

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

Source receipt: pubmed, retrieved 7 Sept 2026.

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