Results 71 to 80 of about 76,104 (300)

Evolutionarily divergent DUF4465 domains have a common vitamin B12‐binding function

open access: yesFEBS Open Bio, EarlyView.
We show that DUF4465 family proteins, widespread across bacteria from gut microbiomes, hydrothermal vents, and soil, share a common vitamin B12‐binding function. These augmented β‐jellyroll proteins bind vitamin B12 via extended loops. Our findings establish sequence‐diverse DUF4465 proteins as a widespread class of B12‐binding proteins, highlighting ...
Charlea Clarke   +4 more
wiley   +1 more source

Polar coordinates

open access: yes, 2016
Points in two-dimensional space are commonly specified using either rectilinear (x- and y-) coordinates or polar (radial and angular) coordinates. Use the locator to see how these coordinates change as a point moves in the planeComponente Curricular ...
Boucher, Chris
core  

The Discrete 2D Fourier Transform In Polar Coordinates

open access: yes, 2018
The discrete Fourier transform in Cartesian coordinates has proved to be invaluable in many disciplines. However, less theory has been developed for functions that are best described in polar coordinates.
Yao, Xueyang
core   +1 more source

Systemic dysregulation of apolipoproteins in amyotrophic lateral sclerosis serum

open access: yesFEBS Open Bio, EarlyView.
Amyotrophic lateral sclerosis (ALS) is a fatal disease that damages motor neurons. This study found that people with ALS show significant changes in blood fats and the proteins that carry them. Several apolipoproteins were higher, lipid balances were altered, and normal protein–lipid relationships were disrupted.
Finula I. Isik   +6 more
wiley   +1 more source

Molecular dynamics simulations of positively selected codons in FcγRI reveal novel biochemical binding properties

open access: yesFEBS Open Bio, EarlyView.
Evolutionary analysis across 32 placental mammals identified positive selection at residues H148 and W149 in the immune receptor FcγR1. Ancestral reconstruction combined with molecular dynamics simulations reveals how these mutations may influence receptor structure and dynamics, providing insight into the evolution of antibody recognition and immune ...
David A. Young   +7 more
wiley   +1 more source

Comparison of SUT - H-infinity - and UKF in Cartesian and Modified Polar Coordinates for bearings-only tracking

open access: yes, 2011
The H-infinity filtering problem is considered for a class of nonlinear discrete-time systems for which a novel solution is developed by embedding the unscented transform technique into the extended H-infinity filter structure.
Feng XS(封锡盛)   +3 more
core  

Cubic Spline Method for 1D Wave Equation in Polar Coordinates [PDF]

open access: yes, 2012
Using nonpolynomial cubic spline approximation in space and finite difference in time direction, we discuss three-level implicit difference scheme of O(k2+h4) for the numerical solution of 1D wave equations in polar coordinates, where k>0 and h>0 ...
Rajive Kumar   +2 more
core   +1 more source

Hyperosmotic stress‐induced redistribution of pre‐mRNA cleavage factor I subunits is associated with shifts in alternative polyadenylation

open access: yesFEBS Open Bio, EarlyView.
Hyperosmotic stress triggers the relocation of the CFIm complex from the nucleus to the cytoplasm. This shift creates a nuclear ‘stoichiometric bottleneck’, limiting CFIm availability for mRNA processing. Consequently, specific mRNAs like NUDT21 and DICER1 undergo targeted 3′UTR shortening, demonstrating how spatial protein dynamics drive rapid ...
Hitomi Soumiya   +2 more
wiley   +1 more source

Circular Clustering With Polar Coordinate Reconstruction

open access: yesIEEE/ACM Transactions on Computational Biology and Bioinformatics
Manuscript is under review in IEEE Transactions on Computational Biology and Bioinformatics.
Xiaoxiao Sun 0003, Paul Sajda
openaire   +3 more sources

On Unified Formulation of Floquet Propagator in Cartesian and Polar Coordinates

open access: yes, 2023
A modified formulation of Floquet propagator is proposed to analyze free wave motion in homogeneous and periodic waveguides both in the Cartesian and in the polar coordinates.
Sorokin, S., Hvatov, A.
core   +1 more source

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