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Showing 1–7 of 7 results
Advanced filters: Author: Igor Chizhov Clear advanced filters

  • Rhodopsin genes have been identified in some large double-stranded DNA viruses, but the structure and functions of viral rhodopsins remain unknown. Here authors present crystal structure and characterization of an Organic Lake Phycodnavirus rhodopsin II (OLPVRII) which forms a pentamer and is a weak proton pump.

    • Dmitry Bratanov
    • Kirill Kovalev
    • Valentin Gordeliy
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-13

  • Nucleocytoplasmic Large DNA Viruses (NCLDV) that infect algae encode two distinct families of microbial rhodopsins. Here, the authors characterise two proteins form the viral rhodopsin group 1 OLPVR1 and VirChR1, present the 1.4 Å crystal structure of OLPVR1 and show that viral rhodopsins 1 are light-gated cation channels.

    • Dmitrii Zabelskii
    • Alexey Alekseev
    • Valentin Gordeliy
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-16

  • Using structural, functional and spectroscopic investigations of a bacterial inward proton-pumping rhodopsin, Kovalev et al. reveal its molecular mechanism and show how proton wires mediate ion selectivity and direct proton transport through cell membrane.

    • Kirill Kovalev
    • Fedor Tsybrov
    • Valentin Gordeliy
    Research
    Nature Structural & Molecular Biology
    Volume: 30, P: 970-979

  • Proteorhodopsins act as light-driven outward proton pumps mainly at neutral and alkaline pH, however, mirror proteorhodopsins are known to operate only at acidic pH. Here, the authors report the detailed structural and functional characterization of pH mirror proteorhodopsin SpaR as well as its diverse biological roles.

    • Ivan S. Okhrimenko
    • Kirill Kovalev
    • Valentin I. Gordeliy
    ResearchOpen Access
    Communications Chemistry
    Volume: 6, P: 1-16

  • Zabelskii et al. present a structural and functional analysis of the lightdriven proton pump LR (Mac) from the fungus Leptosphaeria maculans. Their findings indicate that the archaeal ancestry of eukaryotic type 1 rhodopsins, and that the archaeal host of the proto-mitochondrial endosymbiont was capable of light-driven proton pumping.

    • Dmitrii Zabelskii
    • Natalia Dmitrieva
    • Valentin Gordeliy
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-12