Results 101 to 110 of about 570,864 (312)

Ito channels are octomeric complexes with four subunits of each Kv4.2 and K+ channel-interacting protein 2. [PDF]

open access: yes, 2004
Mammalian voltage-gated K+ channels are assemblies of pore-forming alpha-subunits and modulating beta-subunits. To operate correctly, Kv4 alpha-subunits in the heart and central nervous system require recently identified beta-subunits of the neuronal ...
Butler, Margaret H   +5 more
core  

The unique N-terminal sequence of the BKCa channel α-subunit determines its modulation by β-subunits [PDF]

open access: yes, 2017
Large conductance voltage- and Ca2+-activated K+ (BKCa) channels are essential regulators of membrane excitability in a wide variety of cells and tissues.
England, Sarah K   +2 more
core   +3 more sources

Mycobacterial cell division arrest and smooth‐to‐rough envelope transition using CRISPRi‐mediated genetic repression systems

open access: yesFEBS Open Bio, EarlyView.
CRISPRI‐mediated gene silencing and phenotypic exploration in nontuberculous mycobacteria. In this Research Protocol, we describe approaches to control, monitor, and quantitatively assess CRISPRI‐mediated gene silencing in M. smegmatis and M. abscessus model organisms.
Vanessa Point   +7 more
wiley   +1 more source

Chameleon sequences reveal structural effects in proteins representing micelle‐like distribution of hydrophobicity

open access: yesFEBS Open Bio, EarlyView.
Amino acids sequence of two different proteins with the same sequence (chameleon sequence—black boxes) represent in 3D structure of the proteins different secondary structures: HHHH—helical and BBB—Beta‐structural. The chains folded in water environment adopt different III‐order structures in which the chameleon fragments appear to adopt similar status
Irena Roterman   +4 more
wiley   +1 more source

Analysis of Migration and Adaptive Evolution in Tibetan Sheep Populations

open access: yesAnimals
The genetic basis for Tibetan sheep adaptation to different high-altitude environments remains unknown. This study conducted whole-genome resequencing on 80 Tibetan sheep individuals from four major distribution areas on the Qinghai–Tibet Plateau.
Wentao Zhang   +6 more
doaj   +1 more source

Small heat-shock proteins: important players in regulating cellular proteostasis [PDF]

open access: yes, 2015
Small heat-shock proteins (sHsps) are a diverse family of intra-cellular molecular chaperone proteins that play a critical role in mitigating and preventing protein aggregation under stress conditions such as elevated temperature, oxidation and infection.
Carver, John A.   +3 more
core   +1 more source

Large‐scale bidirectional arrayed genetic screens identify OXR1 and EMC4 as modifiers of αSynuclein aggregation

open access: yesFEBS Open Bio, EarlyView.
Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane   +11 more
wiley   +1 more source

Activation of phospholipase C beta4 by heterotrimeric GTP-binding proteins [PDF]

open access: yes, 1994
Transient transfection assays were used to determine how the activity of phospholipase C beta 4, which is preferentially expressed in retina, was regulated.
Jiang, Huiping   +2 more
core  

Complementation of the interferon alpha response in resistant cells by expression of the cloned subunit of the interferon alpha receptor. A central role of this subunit in interferon alpha signaling

open access: yesJournal of Biological Chemistry, 1994
A subunit of the interferon alpha receptor (IFN alpha R) that confers biologic response to and specific "binding" for IFN alpha 8 has recently been cloned. We have explored the biological consequences of expressing the cloned IFN alpha R subunit in human cells resistant to IFN alpha and in mouse cell lines nonresponsive to human IFN alpha.
O R, Colamonici   +4 more
openaire   +2 more sources

Mass spectrometry based identification of AMP‐O‐Tris generated by Thermococcus onnurineus Cas10

open access: yesFEBS Open Bio, EarlyView.
Isolated Thermococcus onnurineus Cas10 generates the noncanonical ATP‐derived product AMP‐O‐Tris while in Tris‐containing buffer as identified via mass spectrometry, revealing relaxed nucleophile selectivity under isolated conditions. These findings suggest that multiprotein Csm complex assembly restricts Cas10 reactivity toward canonical cyclic ...
Su‐Jin Lee   +6 more
wiley   +1 more source

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