Results 21 to 30 of about 30,659,002 (304)

CASSPER is a semantic segmentation-based particle picking algorithm for single-particle cryo-electron microscopy

open access: yesCommunications Biology, 2021
George, Assaiya et al. develop a deep learning tool, CASSPER, that automates the detection of protein particles in transmission microscope images. This algorithm uses semantic segmentation and visually prepared training samples to capture the differences
Blesson George   +7 more
doaj   +1 more source

Hsp90 Breaks the Deadlock of the Hsp70 Chaperone System [PDF]

open access: yes, 2018
Protein folding in the cell requires ATP-driven chaperone machines such as the conserved Hsp70 and Hsp90. It is enigmatic how these machines fold proteins.
Mayer, Matthias   +5 more
core   +2 more sources

Combined Raman Spectroscopy and Digital Holographic Microscopy for Sperm Cell Quality Analysis

open access: yesJournal of Spectroscopy, 2017
The diagnosis of male infertility is vastly complex. To date, morphology, motility, and concentration have been used as key parameters to establish the sperm normality and achieve pregnancy both in natural and in assisted fecundation.
A. De Angelis   +5 more
doaj   +1 more source

A small fragmented P protein of respiratory syncytial virus inhibits virus infection by targeting P protein

open access: yesJournal of General Virology, 2020
Peptide-based inhibitors hold promising potential in the development of antiviral therapy. Here, we investigated the antiviral potential of fragmented viral proteins derived from ribonucleoprotein (RNP) components of the human respiratory syncytial virus (HRSV).
Koyu Hara   +7 more
openaire   +3 more sources

Fab Fragment of VHH-Based Antibody Netakimab: Crystal Structure and Modeling Interaction with Cytokine IL-17A

open access: yesCrystals, 2019
Interleukin 17A (IL-17A) is a proinflammatory cytokine produced by Th17 cells. Antibody BCD-085 (netakimab) against human IL-17A is one of the new inhibitors of this cytokine.
Olga Kostareva   +7 more
doaj   +1 more source

Computational Protein Design Force Field Optimization: A Negative Design Approach [PDF]

open access: yes, 2007
An accurate force field is essential to computational protein design and protein folding studies. Proper force field tuning is problematic, however, due in part to the incomplete modeling of the unfolded state.
Alvizo, Oscar
core   +1 more source

Determining biophysical protein stability in lysates by a fast proteolysis assay, FASTpp. [PDF]

open access: yes, 2012
The biophysical stability is an important parameter for protein activity both in vivo and in vitro. Here we propose a method to analyse thermal melting of protein domains in lysates: Fast parallel proteolysis (FASTpp).
Rüdiger, Stefan G. D.   +10 more
core   +3 more sources

Label-Free Imaging and Biochemical Characterization of Bovine Sperm Cells

open access: yesBiosensors, 2015
A full label-free morphological and biochemical characterization is desirable to select spermatozoa during preparation for artificial insemination. In order to study these fundamental parameters, we take advantage of two attractive techniques: digital ...
Maria Antonietta Ferrara   +6 more
doaj   +1 more source

New insights into the interplay between long non‐coding RNAs and RNA‐binding proteins in cancer

open access: yesCancer Communications, 2022
With the development of proteomics and epigenetics, a large number of RNA‐binding proteins (RBPs) have been discovered in recent years, and the interaction between long non‐coding RNAs (lncRNAs) and RBPs has also received increasing attention.
Zi‐Ting Yao   +6 more
doaj   +1 more source

Sendai Virus P Protein Is Constitutively Phosphorylated at Serine249: High Phosphorylation Potential of the P Protein

open access: yesVirology, 1996
Previously we showed that the Sendai virus P protein (568 aa) in virus-infected cells and in virions was primarily and constitutively phosphorylated on serine(s) in a single tryptic phosphopeptide TP1. By two-dimensional thin-layer electrophoresis and chromatography analysis of tryptic phosphopeptides of several deletion and point mutants of the P ...
BYRAPPA, SRIDHAR   +2 more
openaire   +2 more sources

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