Results 61 to 70 of about 719,062 (315)

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

open access: yesFEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa   +5 more
wiley   +1 more source

Analysis of the synchronous rise of water level in the Tangshan fault zone

open access: yesScientific Reports
Since 2019, a synchronous and abnormal upward trend in water levels has been observed in the Tangshan and Majiagou observation wells, located within the Tangshan fault zone, coinciding with three earthquakes of magnitude 4.0 or higher in the Tangshan ...
Jie Tang   +5 more
doaj   +1 more source

INFLUENCE FISH FARMING IN TANKS ON STRUCTURAL AND FUNCTIONAL CHARACTERISTICS AND ACCUMULATION OF SEDIMENTS IN THE BASIN-COOLER

open access: yesRibogospodarsʹka Nauka Ukraïni, 2013
Purpose. Establishing change the basic structural and functional characteristics of the sediments under the influence of waste going fish farming in tanks. Methodology. Bottom sediment samples were collected using a 1 m of dirt tube (SOI-1), according
N. Starkо
doaj   +1 more source

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

open access: yesFEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel   +13 more
wiley   +1 more source

The Terrestrialization of Amphibious Life in a Danube Delta 'Town on Water'

open access: yesSuomen Antropologi, 2019
The Danube Delta town of Vilkovo is often called the ‘Ukrainian Venice’ because of its 40 kilometers of canals. Many of these canals, however, are rapidly filling in with silt and are often impassible by boat.
Tanya Richardson
doaj   +1 more source

AAA+ protein unfoldases—the Moirai of the proteome

open access: yesFEBS Letters, EarlyView.
AAA+ unfoldases are essential molecular motors that power protein degradation and disaggregation. This review integrates recent cryo‐electron microscopy (cryo‐EM) structures and single‐molecule biophysical data to reconcile competing models of substrate translocation.
Stavros Azinas, Marta Carroni
wiley   +1 more source

Tool4S: A GUI-based python software tool for seismic station site selection data processing and analysis

open access: yesSoftwareX
Data quality is the foundation of further research. It’s essential to find a seismic station whose data could be collected without being significantly affected by surrounding noise sources.
Cheng Ding   +4 more
doaj   +1 more source

Metazoans of redoxcline sediments in Mediterranean deep-sea hypersaline anoxic basins [PDF]

open access: yes, 2015
Background: The deep-sea hypersaline anoxic basins (DHABs) of the Mediterranean (water depth similar to 3500 m) are some of the most extreme oceanic habitats known.
Beaudoin, David J   +7 more
core   +4 more sources

This Is Not a Myeloproliferative Neoplasm…

open access: yes
Pediatric Blood &Cancer, EarlyView.
Stephanie Juané Kennedy
wiley   +1 more source

Cell surface interactome analysis identifies TSPAN4 as a negative regulator of PD‐L1 in melanoma

open access: yesMolecular Oncology, EarlyView.
Using cell surface proximity biotinylation, we identified tetraspanin TSPAN4 within the PD‐L1 interactome of melanoma cells. TSPAN4 negatively regulates PD‐L1 expression and lateral mobility by limiting its interaction with CMTM6 and promoting PD‐L1 degradation.
Guus A. Franken   +7 more
wiley   +1 more source

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