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Expression, Purification, and Cryo-EM Structural Analysis of an Outer Membrane Secretin Channel
Secretin proteins form pores in the outer membranes of Gram-negative bacteria, and as such provide a means of transporting a wide variety of...
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Seasonal bird diversity of an urban lake with the history of eutrophication and restoration
Long-term biodiversity monitoring studies of restored wetland ecosystems are essential for successful conservation. We studied the bird diversity of...
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The hub of the wheel or hitchhikers? The potential influence of large avian herbivores on other trophic levels in wetland ecosystems
Goose and swan populations have increased concurrently with environmental degradation of wetlands, such as eutrophication, vegetation losses, and...
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Crystal Structure Analysis of SH2 Domains in Complex with Phosphotyrosine Peptides
While the number of tertiary structures solved by cryoelectron microscopy has rapidly increased, X-ray crystallography is still a popular method to...
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The catalytic triad of rice NARROW LEAF1 involves H234
NARROW LEAF1 ( NAL1 ) exerts a multifaceted influence on leaf morphology and crop yield. Recent crystal study proposed that histidine 233 (H233) is...
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Structural insights into the assembly and energy transfer of the Lhcb9-dependent photosystem I from moss Physcomitrium patens
In plants and green algae, light-harvesting complexes I and II (LHCI and LHCII) constitute the antennae of photosystem I (PSI), thus effectively...
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Investigating the effect of substrate binding on the catalytic activity of xylanase
AbstractXynAF1 from Aspergillus fumigatus Z5 is an efficient thermophilic xylanase belonging to glycoside hydrolase family 10 (GH10). The...
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The Spatial and Typological Structure and Organization of Summer Bird Assemblages in Kyrgyzstan
Abstract —The results of multivariate analyses of the data obtained during the summer period in Kyrgyzstan, Central Asia are presented. The total...
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The open gate of the AMPA receptor forms a Ca2+ binding site critical in regulating ion transport
Alpha-amino-3-hydroxyl-5-methyl-4-isoxazole-propionic acid receptors (AMPARs) are cation-selective ion channels that mediate most fast excitatory...
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Current Structure of the Fauna and Features of Bird Distribution in Crimea
AbstractA list of the Crimean bird fauna is presented to reflect the current state of knowledge and to characterize the status and environmental...
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Molecular dissection of the soluble photosynthetic antenna from the cryptophyte alga Hemiselmis andersenii
Cryptophyte algae have a unique phycobiliprotein light-harvesting antenna that fills a spectral gap in chlorophyll absorption from photosystems....
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Structural insights into the broad protection against H1 influenza viruses by a computationally optimized hemagglutinin vaccine
Influenza virus poses an ongoing human health threat with pandemic potential. Due to mutations in circulating strains, formulating effective vaccines...
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A deep dive into the waterbird community of an urban oasis: implications for park management
The rapid decline in avifauna populations across North America underscores the urgency of implementing effective conservation strategies. While...
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The Avifauna of Tigris and Euphrates River Basin
The Avifauna of the Tigris and Euphrates River basin is unique but far to be fully explored. The geographical position at the southernmost coroner of...
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Ecological and Geographical Organization and Structure of the Summer Bird Assemblages of Northern Eurasia
AbstractThe results of bird counts averaged over the first half of summer (May 16 to July 15) from 1880 to 2019 have been analyzed to identify the...
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CryoEM structures reveal how the bacterial flagellum rotates and switches direction
Bacterial chemotaxis requires bidirectional flagellar rotation at different rates. Rotation is driven by a flagellar motor, which is a supercomplex...
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Habitat selection and reproductive success of coot Fulica atra on ponds under different fish size and density conditions
Fish may influence habitat selection and reproductive success in waterfowl. We investigated the effects of common carp Cyprinus carpio on breeding...
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Structural and mutational characterization of a malate racemase from the LarA superfamily
The LarA superfamily consists of nickel-dependent enzymes catalyzing racemization/epimerization reactions using a variety of α-hydroxy acids. The...
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Diversity and Species Abundance of Bird Communities in Great Nicobar Biosphere Reserve, India
The Great Nicobar Biosphere Reserve is one of the 18 Biosphere Reserves created under the Man and Biosphere Programme of Ministry of Environment,...
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Diversity and IUCN Status of Winter Migratory Avifauna of Mandothi Wetlands, Haryana (India)
AbstractMandothi Wetlands located in district Jhajjar of Haryana, India is about 1000 acres of farmland, serves as a crucial habitat for numerous...
