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@proceedings{1683376, author = {Břenková, Barbora and Šiborová, Marta and Bárdy, Pavol and Pantůček, Roman and Plevka, Pavel}, booktitle = {XV. Discussions in Structural Molecular Biology}, keywords = {S. aureus, connector, X-ray crystallography}, language = {eng}, title = {Structure of protein from neck of bacteriophage infecting Staphylococcus aureus}, url = {http://cssb.structbio.org/program-xv-discussions}, year = {2018} }
TY - CONF ID - 1683376 AU - Břenková, Barbora - Šiborová, Marta - Bárdy, Pavol - Pantůček, Roman - Plevka, Pavel PY - 2018 TI - Structure of protein from neck of bacteriophage infecting Staphylococcus aureus KW - S. aureus, connector, X-ray crystallography UR - http://cssb.structbio.org/program-xv-discussions N2 - Bacteriophage phi812 is a lytic phage from the family Myoviridae. Phi812 infects most staphylococcal strains including those resistant to antibiotics. The structure of this bacteriophage was previously determined by cryo electron microscopy but functions of individual proteins remain unclear. Here we present our work towards resolving the structure of protein gp99 that forms the neck region of phi812. The protein may play a role in a regulation of the genome release from the virion during infection. Gp99 was cloned and expressed in E. coli and purified by affinity and size exclusion chromatography. A suitable crystallization condition was found and X-ray diffraction data with a resolution of 2.3 Å were collected. To solve the phase problem, a variety of methods had been tried, including molecular replacement, heavy atom soaking and co-crystallization, and seleno-methionine incorporation. The structure of gp99 will help explain the mechanism of bacterial infection by bacteriophage. As there is a rising number of antibiotic resistant bacterial strains causing severe illnesses, phage therapy has a high potential. For this purpose, detailed knowledge of bacteria-phage interactions is vital. ER -
BŘENKOVÁ, Barbora, Marta ŠIBOROVÁ, Pavol BÁRDY, Roman PANTŮČEK a Pavel PLEVKA. Structure of protein from neck of bacteriophage infecting Staphylococcus aureus. In \textit{XV. Discussions in Structural Molecular Biology}. 2018.
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