Results 91 to 100 of about 3,619,143 (288)

Baculovirus structural proteins

Journal of General Virology, 1992
Introduction. Baculovirus biology. The Baculoviridae are a diverse family of virus pathogens which are infectious for arthropods, particularly insects of the order Lepidoptera. They have also been isolated from the insect orders Hymenoptera, Diptera and Trichoptera, as well as from the crustacean order Decapoda (shrimp) (Couch, 1974).
openaire   +2 more sources

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

New insights into structural and functional relationships between LonA proteases and ClpB chaperones

FEBS Open Bio, 2019
LonA proteases and ClpB chaperones are key components of the protein quality control system in bacterial cells. LonA proteases form a unique family of ATPases associated with diverse cellular activities (AAA+) proteins due to the presence of an unusual N‐
Tatyana V. Rotanova, Anna G. Andrianova, Arsen M. Kudzhaev, Mi Li, Istvan Botos, Alexander Wlodawer, Alla Gustchina   +6 more
doaj   +1 more source

Structure and Non-Structure of Centrosomal Proteins

PLoS ONE, 2013
Here we perform a large-scale study of the structural properties and the expression of proteins that constitute the human Centrosome. Centrosomal proteins tend to be larger than generic human proteins (control set), since their genes contain in average more exons (20.3 versus 14.6).
Dos Santos, Helena G., Abia, David, Janowski, Robert, Mortuza, Gulnahar, Bertero, Michela G., Boutin, Maïlys, Guarín, Nayibe, Méndez Giraldez, Raúl, Nuñez, Alfonso, Pedrero, Juan G., Redondo, Pilar, Sanz, María, Speroni, Silvia, Teichert, Florian, Bruix, Maria, Carazo, José M., González, Cayetano, Reina, José, Valpuesta, José M., Vernos, Isabelle, 1959-, Zabala, Juan C., Montoya, Guillermo, Coll, Miquel, Bastolla, Ugo, Serrano Pubull, Luis, 1982-   +24 more
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Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Gut microbiome and aging—A dynamic interplay of microbes, metabolites, and the immune system

FEBS Letters, EarlyView.
Age‐dependent shifts in microbial communities engender shifts in microbial metabolite profiles. These in turn drive shifts in barrier surface permeability of the gut and brain and induce immune activation. When paired with preexisting age‐related chronic inflammation this increases the risk of neuroinflammation and neurodegenerative diseases.
Aaron Mehl, Eran Blacher
wiley   +1 more source

Protein Structure [PDF]

PROTEOMICS, 2015
Barran, P, Cooper, H, Eyers, C
openaire   +3 more sources

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

The crystal structure of Acinetobacter baumannii bacterioferritin reveals a heteropolymer of bacterioferritin and ferritin subunits

Scientific Reports
Iron storage proteins, e.g., vertebrate ferritin, and the ferritin-like bacterioferritin (Bfr) and bacterial ferritin (Ftn), are spherical, hollow proteins that catalyze the oxidation of Fe2+ at binuclear iron ferroxidase centers (FOC) and store the Fe3+
Huili Yao, Suliat Alli, Lijun Liu, Anabel Soldano, Anne Cooper, Leo Fontenot, Dristen Verdin, Kevin P. Battaile, Scott Lovell, Mario Rivera   +9 more
doaj   +1 more source

Valosin‐containing protein counteracts ATP‐driven dissolution of FUS condensates through its ATPase activity in vitro

FEBS Letters, EarlyView.
Biomolecular condensates formed by fused in sarcoma (FUS) are dissolved by high ATP concentrations yet persist in cells. Using a reconstituted system, we demonstrate that valosin‐containing protein (VCP), an AAA+ ATPase, counteracts ATP‐driven dissolution of FUS condensates through its D2 ATPase activity.
Hitomi Kimura, Shin‐ichi Tate, Kyota Yasuda   +2 more
wiley   +1 more source