نتایج جستجو برای: sh3b

تعداد نتایج: 32  

Journal: :Applied and environmental microbiology 2012
Mathias Schmelcher Anne M Powell Stephen C Becker Mary J Camp David M Donovan

Staphylococci cause bovine mastitis, with Staphylococcus aureus being responsible for the majority of the mastitis-based losses to the dairy industry (up to $2 billion/annum). Treatment is primarily with antibiotics, which are often ineffective and potentially contribute to resistance development. Bacteriophage endolysins (peptidoglycan hydrolases) present a promising source of alternative anti...

Journal: :Applied and environmental microbiology 2006
David M Donovan Juli Foster-Frey Shengli Dong Geneviève M Rousseau Sylvain Moineau David G Pritchard

The Streptococcus agalactiae bacteriophage B30 endolysin contains three domains: cysteine, histidine-dependent amidohydrolase/peptidase (CHAP), Acm glycosidase, and the SH3b cell wall binding domain. Truncations and point mutations indicated that the Acm domain requires the SH3b domain for activity, while the CHAP domain is responsible for nearly all the cell lysis activity.

Journal: :Gene 2009
Stephen C Becker Juli Foster-Frey Angeline J Stodola Daniel Anacker David M Donovan

Staphylococcal peptidoglycan hydrolases are a potential new source of antimicrobials. A large subset harbors C-terminal SH3b_5 cell wall binding domains. These C-terminal domains have been shown to be necessary for accurate cell wall recognition and subsequent staphylolytic activity for some endolysins. Over fifty proteins of staphylococcal or phage origin containing SH3b domains were aligned, ...

Journal: :Molecular biology of the cell 2009
Xing Jun Li Wei Tian Natalie D Stull Sergio Grinstein Simon Atkinson Mary C Dinauer

The assembly of cytosolic p47(phox) and p67(phox) with flavocytochrome b(558) at the membrane is crucial for activating the leukocyte NADPH oxidase that generates superoxide for microbial killing. p47(phox) and p67(phox) are linked via a high-affinity, tail-to-tail interaction involving a proline-rich region (PRR) and a C-terminal SH3 domain (SH3b), respectively, in their C-termini. This intera...

Journal: :The Journal of biological chemistry 2012
Maryna Gorelik Alan R Davidson

The yeast Nbp2p SH3 and Bem1p SH3b domains bind certain target peptides with similar high affinities, yet display vastly different affinities for other targets. To investigate this unusual behavior, we have solved the structure of the Nbp2p SH3-Ste20 peptide complex and compared it with the previously determined structure of the Bem1p SH3b bound to the same peptide. Although the Ste20 peptide i...

Methicillin-resistant Staphylococcus aureus (MRSA) is a challenging infectious agent worldwide. The ever growing antibiotic resistance has made the researchers to look for new anti-staphylococcal agents. Autolysins are staphylococcal enzymes that lyse bacterial cell wall for cell division. Autolysins can be used as novel enzybiotics (enzymes have antibiotic effects) for staphylococcal ...

2010
Qingping Xu Polat Abdubek Tamara Astakhova Herbert L. Axelrod Constantina Bakolitsa Xiaohui Cai Dennis Carlton Connie Chen Hsiu-Ju Chiu Michelle Chiu Thomas Clayton Debanu Das Marc C. Deller Lian Duan Kyle Ellrott Carol L. Farr Julie Feuerhelm Joanna C. Grant Anna Grzechnik Gye Won Han Lukasz Jaroszewski Kevin K. Jin Heath E. Klock Mark W. Knuth Piotr Kozbial S. Sri Krishna Abhinav Kumar Winnie W. Lam David Marciano Mitchell D. Miller Andrew T. Morse Edward Nigoghossian Amanda Nopakun Linda Okach Christina Puckett Ron Reyes Henry J. Tien Christine B. Trame Henry van den Bedem Dana Weekes Tiffany Wooten Andrew Yeh Keith O. Hodgson John Wooley Marc-André Elsliger Ashley M. Deacon Adam Godzik Scott A. Lesley Ian A. Wilson

Dipeptidyl-peptidase VI from Bacillus sphaericus and YkfC from Bacillus subtilis have both previously been characterized as highly specific γ-D-glutamyl-L-diamino acid endopeptidases. The crystal structure of a YkfC ortholog from Bacillus cereus (BcYkfC) at 1.8 Å resolution revealed that it contains two N-terminal bacterial SH3 (SH3b) domains in addition to the C-terminal catalytic NlpC/P60 dom...

Journal: :Chemical Science 2021

Combining genetic, biochemical and computational approaches, we elucidated the molecular mechanisms underlying recognition of Listeria wall teichoic acid by bacteriophage-encoded SH3b repeats.

Journal: :FEMS microbiology letters 2006
David M Donovan Michelle Lardeo Juli Foster-Frey

The Staphylococcus aureus bacteriophage phi11 endolysin has two peptidoglycan hydrolase domains (endopeptidase and amidase) and an SH3b cell wall-binding domain. In turbidity reduction assays, the purified protein can lyse untreated staphylococcal mastitis pathogens, Staphylococcus aureus and coagulase-negative staphylococci (Staphylococcus chronogenes, Staphylococcus epidermidis, Staphylococcu...

2015
Qingping Xu Dominique Mengin-Lecreulx Xueqian W. Liu Delphine Patin Carol L. Farr Joanna C. Grant Hsiu-Ju Chiu Lukasz Jaroszewski Mark W. Knuth Adam Godzik Scott A. Lesley Marc-André Elsliger Ashley M. Deacon Ian A. Wilson

UNLABELLED Bacterial SH3 (SH3b) domains are commonly fused with papain-like Nlp/P60 cell wall hydrolase domains. To understand how the modular architecture of SH3b and NlpC/P60 affects the activity of the catalytic domain, three putative NlpC/P60 cell wall hydrolases were biochemically and structurally characterized. These enzymes all have γ-d-Glu-A2pm (A2pm is diaminopimelic acid) cysteine ami...

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