Results 91 to 100 of about 11,158,151 (301)

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

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

Reliability of a novel dynamic test of postural stability in high-level soccer players. [PDF]

open access: yesHeliyon, 2021
Beelen PE   +10 more
europepmc   +1 more source

Dynamic analysis and experimental study of sweet potato seedling transplanting mechanism with non-circular gear system via ADAMS-EDEM co-simulation

open access: yesJournal of Agricultural Engineering
Soil resistance encountered by the sweet potato seedling transplanting mechanism during soil penetration is a critical factor influencing the dynamic characteristics of the mechanism.
Bingliang Ye   +4 more
doaj   +1 more source

The Shewanella oneidensis Fic enzyme SoFic targets the switch‐I region of EF‐Tu for AMPylation

open access: yesFEBS Letters, EarlyView.
Fic enzymes mediate diverse post‐translational modifications across all domains of life, including AMPylation. Prokaryotic EF‐Tu can be AMPylated and deAMPylated by the conserved Fic enzyme SoFic. Structural and biochemical approaches were used to characterize the effect of AMPylation on EF‐Tu, SoFic's enzymatic activities, and the enzyme‐target ...
Svenja Runge   +6 more
wiley   +1 more source

Experimental and numerical determination of tube collision energy absorbers characteristics [PDF]

open access: yesFME Transactions, 2012
Development of collision energy absorbers is one of the necessary measures for passive safety of passenger coaches. The purpose of passive safety is to minimize the collision consequences for passengers.
Tanasković Jovan D.   +3 more
doaj  

Dynamic Analysis of Test Frame of Railway Subgrade Dynamic Response Test System

open access: yesInternational Journal of Online and Biomedical Engineering (iJOE), 2013
In this paper, we take the railway subgrade dynamic response test system as the study object, the laboratory test reaction frameâ??s model factors were analyzed through the finite element analysis software MSC.Patran/Nastran.
Liangcai Zeng   +3 more
openaire   +3 more sources

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