Results 111 to 120 of about 24,067,202 (236)

Synergistic perspectives—How single‐molecule biophysics complement biochemical understanding

open access: yesFEBS Letters, EarlyView.
In this review, we discuss how ensemble biochemistry and single‐molecule approaches are complementary, outline commonly used single‐molecule techniques, and illustrate their relevance through two representative case studies: chromatin organization by SMC complexes and pathway choice during DNA double‐strand break repair.
Sara De Bragança   +2 more
wiley   +1 more source

In memoriam dr. Călin Vamoș, member of Tiberiu Popoviciu Institute of Numerical Analysis

open access: yesJournal of Numerical Analysis and Approximation Theory, 2017
Emil Cătinaș, Nicolae Suciu
doaj   +2 more sources

Functional comparison of EncB and EncC cargo proteins in iron storage within the Myxococcus xanthus encapsulin

open access: yesFEBS Letters, EarlyView.
Encapsulins are protein nanocompartments that play an important role in iron storage. In the Myxococcus xanthus encapsulin system, two cargo proteins called EncB and EncC contribute to iron mineralization. Here, we show that EncB and EncC generate iron‐containing minerals with distinct chemical compositions, suggesting that the composition of stored ...
Harry B. McDowell   +2 more
wiley   +1 more source

Structural and biochemical analysis of a B12 superbinder

open access: yesFEBS Letters, EarlyView.
BtuG proteins are vitamin B12 scavengers in Bacteroides thetaiotaomicron, a dominant human gut bacterium. We present crystal structures of three BtuG homologs bound to cobalamin and its precursor cobinamide, revealing picomolar binding affinities, among the highest known for any natural protein.
Jose M. Martinez Felices   +3 more
wiley   +1 more source

Numerical analysis of two-phase granular flows at low Mach numbers

open access: yes, 2011
In this talk, a numerical method for the governing equations of low-Mach number, two-phase granular flows is presented. The proposed method belongs to the class of fractional-step methods and employs a generalized projection scheme for the momentum ...
Papalexandris, Miltiadis   +2 more
core  

Structures of mycobacterial 3‐methylcrotonyl‐CoA carboxylase reveal carrier‐domain translocation between catalytic sites

open access: yesFEBS Letters, EarlyView.
Mycobacterial 3‐methylcrotonyl‐CoA carboxylase uses a mobile biotin‐carrying domain to shuttle a carboxyl group between two catalytic sites, enabling carboxylation of 3‐methylcrotonyl‐CoA during leucine breakdown. Cryo‐electron microscopy captures the carrier at both sites and reveals an inward loop movement that may prevent futile rebinding to the ...
Ajit Yadav   +2 more
wiley   +1 more source

On a two-dimensional magnetohydrodynamic problem .2. Numerical analysis

open access: yes
We consider the numerical approximation of a two-dimensional magnetohydrodynamic problem by standard finite element techniques. The numerical analysis is made for the case of regular solutions of the continuous problem.
Rappaz, J., Touzani, R.
core   +1 more source

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