4f88

</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4f88 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4f88 OCA], [https://pdbe.org/4f88 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4f88 RCSB], [https://www.ebi.ac.uk/pdbsum/4f88 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4f88 ProSAT]</span></td></tr>

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== Publication Abstract from PubMed ==

Bacteriophages deploy lysins that degrade the bacterial cell wall and facilitate virus egress from the host. When applied exogenously, these enzymes destroy susceptible microbes and, accordingly, have potential as therapeutic agents. The most potent lysin identified to date is PlyC, an enzyme assembled from two components (PlyCA and PlyCB) that is specific for streptococcal species. Here the structure of the PlyC holoenzyme reveals that a single PlyCA moiety is tethered to a ring-shaped assembly of eight PlyCB molecules. Structure-guided mutagenesis reveals that the bacterial cell wall binding is achieved through a cleft on PlyCB. Unexpectedly, our structural data reveal that PlyCA contains a glycoside hydrolase domain in addition to the previously recognized cysteine, histidine-dependent amidohydrolases/peptidases catalytic domain. The presence of eight cell wall-binding domains together with two catalytic domains may explain the extraordinary potency of the PlyC holoenyzme toward target bacteria.

X-ray crystal structure of the streptococcal specific phage lysin PlyC.,McGowan S, Buckle AM, Mitchell MS, Hoopes JT, Gallagher DT, Heselpoth RD, Shen Y, Reboul CF, Law RH, Fischetti VA, Whisstock JC, Nelson DC Proc Natl Acad Sci U S A. 2012 Jul 17. PMID:22807482<ref>PMID:22807482</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>

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== References ==

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