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Showing 1–8 of 8 results
Advanced filters: Author: Taras Balandin 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

  • The Na+-pumping KR2 rhodopsin from Krokinobacter eikastus is a light-driven non-proton cation pump whose mechanism of pumping remains to be understood. Here authors solved crystal structures of the O-intermediate state of the pentameric form of KR2 and its D116N and H30A mutants, which sheds light on the mechanism of non-proton cation light-driven pumping.

    • Kirill Kovalev
    • Roman Astashkin
    • Valentin Gordeliy
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-11

  • Experimental realization of cluster crystals- periodic structures with lattice sites occupied by several, overlapping building blocks, has been elusive. Here, the authors show the existence of well-controlled soft matter cluster crystals composed of a thermosensitive water-soluble polymer and nanometer-scale all-DNA dendrons.

    • Emmanuel Stiakakis
    • Niklas Jung
    • Christos N. Likos
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-10

  • Crystal structures of the microbial rhodopsin KR2, a recently discovered light-driven sodium pump, reveal the translocation pathway of sodium ions and shed light on the molecular mechanism of ion pumping.

    • Ivan Gushchin
    • Vitaly Shevchenko
    • Valentin Gordeliy
    Research
    Nature Structural & Molecular Biology
    Volume: 22, P: 390-395

  • Noble gases are known to interact with proteins and can be good anaesthetics in hyperbaric conditions. This study identifies argon and krypton binding sites on membrane proteins and proposes as a hypothesis that noble gases, by altering protein/lipid contacts, may affect protein function.

    • Igor Melnikov
    • Philipp Orekhov
    • Alexander Popov
    ResearchOpen Access
    Communications Biology
    Volume: 5, P: 1-12

  • 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