Results 41 to 50 of about 3,377,935 (215)

TRIM5α and TRIMCyp form apparent hexamers and their multimeric state is not affected by exposure to restriction-sensitive viruses or by treatment with pharmacological inhibitors

Retrovirology, 2009
Proteins of the TRIM5 family, such as TRIM5α and the related TRIMCyp, are cytoplasmic factors that can inhibit incoming retroviruses. This type of restriction requires a direct interaction between TRIM5 proteins and capsid proteins that are part of ...
Berthoux Lionel, Bérubé Julie, Nepveu-Traversy Marie-Édith   +2 more
doaj   +1 more source

Cochlin, intraocular pressure regulation and mechanosensing. [PDF]

PLoS ONE, 2012
Fluid shear modulates many biological properties. How shear mechanosensing occurs in the extracellular matrix (ECM) and is transduced into cytoskeletal change remains unknown. Cochlin is an ECM protein of unknown function.
Manik Goel, Adam E Sienkiewicz, Renata Picciani, Jianhua Wang, Richard K Lee, Sanjoy K Bhattacharya   +5 more
doaj   +1 more source

Pathogen infection and cholesterol deficiency activate the C. elegans p38 immune pathway through a TIR-1/SARM1 phase transition

eLife, 2022
Intracellular signaling regulators can be concentrated into membrane-free, higher ordered protein assemblies to initiate protective responses during stress — a process known as phase transition. Here, we show that a phase transition of the Caenorhabditis
Nicholas D Peterson, Janneke D Icso, J Elizabeth Salisbury, Tomás Rodríguez, Paul R Thompson, Read Pukkila-Worley   +5 more
doaj   +1 more source

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

, 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, Sub Cellular Protein Chemistry, Kityk, R., Rüdiger, S.G.D., Morán Luengo, T., Cellular Protein Chemistry   +5 more
core   +2 more sources

TIA-1 Self-Multimerization, Phase Separation, and Recruitment into Stress Granules Are Dynamically Regulated by Zn2+

Cell Reports, 2018
Summary: Stress granules are non-membranous structures that transiently form in the cytoplasm during cellular stress, where they promote translational repression of non-essential RNAs and modulate cell signaling by sequestering key signal transduction ...
Joseph B. Rayman, Kevin A. Karl, Eric R. Kandel   +2 more
doaj   +1 more source

Expressed protein ligation for a large dimeric protein [PDF]

, 2011
Expressed protein ligation (EPL) is a protein engineering tool for post-translational ligation of protein or peptide fragments. This technique allows modification of specific parts of proteins, opening possibilities for incorporating probes for ...
NMR Spectroscopy, Karagöz, G.E., Sub Cellular Protein Chemistry, O. Hsieh, Sub NMR Spectroscopy, T. Sinnige, Rüdiger, S.G.D., Hsieh, O., Sinnige, T, G. E. Karagoz, S. G. D. Rudiger, Cellular Protein Chemistry   +11 more
core   +1 more source

Structural Basis for Inhibitor-Induced Aggregation of HIV Integrase. [PDF]

PLoS Biology, 2016
The allosteric inhibitors of integrase (termed ALLINIs) interfere with HIV replication by binding to the viral-encoded integrase (IN) protein. Surprisingly, ALLINIs interfere not with DNA integration but with viral particle assembly late during HIV ...
Kushol Gupta, Vesa Turkki, Scott Sherrill-Mix, Young Hwang, Grant Eilers, Louis Taylor, Charlene McDanal, Ping Wang, David Temelkoff, Robert T Nolte, Emile Velthuisen, Jerry Jeffrey, Gregory D Van Duyne, Frederic D Bushman   +13 more
doaj   +1 more source

Pyramidalization of the Glycosidic Nitrogen Provides the Way for Efficient Cleavage of the N‑Glycosidic Bond of 8‑OxoG with the hOGG1 DNA Repair Protein [PDF]

, 2012
A mechanistic pathway for cleavage of the N-glycosidic bond of 8-oxo-2′-deoxyguanosine (oxoG) catalyzed with the human 8-oxoguanine glycosylase 1 DNA repair protein (hOGG1) is proposed in this theoretical study. The reaction scheme suggests direct proton
Sychrovský, V., Sub Cellular Protein Chemistry, Sebera, J., Tanaka, Y., Trantirek, L., Cellular Protein Chemistry   +5 more
core   +1 more source

HIV-1 integrase tetramers are the antiviral target of pyridine-based allosteric integrase inhibitors

eLife, 2019
Allosteric HIV-1 integrase (IN) inhibitors (ALLINIs) are a promising new class of antiretroviral agents that disrupt proper viral maturation by inducing hyper-multimerization of IN.
Pratibha C Koneru, Ashwanth C Francis, Nanjie Deng, Stephanie V Rebensburg, Ashley C Hoyte, Jared Lindenberger, Daniel Adu-Ampratwum, Ross C Larue, Michael F Wempe, Alan N Engelman, Dmitry Lyumkis, James R Fuchs, Ronald M Levy, Gregory B Melikyan, Mamuka Kvaratskhelia   +14 more
doaj   +1 more source

Importin 7 mediates the nuclear import of HIV‐1 integrase via a specific interacting interface

FEBS Open Bio, EarlyView.
HIV‐1 integrase enables viral DNA integration into the host genome. By binding to the core domain of the host protein Importin 7 via its C‐terminal domain, the integrase is transported across the nuclear membrane into the nucleus, where integration of the viral genome into host DNA takes place. This translocation is a critical step for subsequent viral
Juana Bana, Avigail Yariv, Tal Oppenheim, Hadar Amartely, Dana Reichmann, Oded Livnah   +5 more
wiley   +1 more source