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==CRYSTAL STRUCTURE OF P22 TAILSPIKE PROTEIN: INTERDIGITATED SUBUNITS IN A THERMOSTABLE TRIMER==
==CRYSTAL STRUCTURE OF P22 TAILSPIKE PROTEIN: INTERDIGITATED SUBUNITS IN A THERMOSTABLE TRIMER==
<StructureSection load='1tsp' size='340' side='right' caption='[[1tsp]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='1tsp' size='340' side='right'caption='[[1tsp]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1tsp]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_p22 Enterobacteria phage p22]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TSP OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1TSP FirstGlance]. <br>
<table><tr><td colspan='2'>[[1tsp]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Salmonella_virus_P22 Salmonella virus P22]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1TSP OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1TSP FirstGlance]. <br>
</td></tr><tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1tsp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tsp OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1tsp RCSB], [http://www.ebi.ac.uk/pdbsum/1tsp PDBsum]</span></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2&#8491;</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=1tsp FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1tsp OCA], [https://pdbe.org/1tsp PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1tsp RCSB], [https://www.ebi.ac.uk/pdbsum/1tsp PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1tsp ProSAT]</span></td></tr>
</table>
</table>
<div style="background-color:#fffaf0;">
== Function ==
== Publication Abstract from PubMed ==
[https://www.uniprot.org/uniprot/FIBER_BPP22 FIBER_BPP22] Structural component of the short non-contractile tail. The tail comprises six fibers that mediate primary attachment to the host cell lipopolysaccharides (LPS) and display endorhamnosidase enzymatic activity, hydrolyzing the alpha-1,3-O-glycosidic linkage between rhamnose and galactose of the O-antigen polysaccharide. Digestion of the LPS brings the capsid near the cell outer membrane.<ref>PMID:12837775</ref> <ref>PMID:20817910</ref>  
The tailspike protein (TSP) of Salmonella typhimurium phage P22 is a part of the apparatus by which the phage attaches to the bacterial host and hydrolyzes the O antigen. It has served as a model system for genetic and biochemical analysis of protein folding. The x-ray structure of a shortened TSP (residues 109 to 666) was determined to a 2.0 angstrom resolution. Each subunit of the homotrimer contains a large parallel beta helix. The interdigitation of the polypeptide chains at the carboxyl termini is important to protrimer formation in the folding pathway and to thermostability of the mature protein.
 
Crystal structure of P22 tailspike protein: interdigitated subunits in a thermostable trimer.,Steinbacher S, Seckler R, Miller S, Steipe B, Huber R, Reinemer P Science. 1994 Jul 15;265(5170):383-6. PMID:8023158<ref>PMID:8023158</ref>


From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
==See Also==
</div>
*[[Tailspike protein 3D structures|Tailspike protein 3D structures]]
== References ==
== References ==
<references/>
<references/>
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Enterobacteria phage p22]]
[[Category: Large Structures]]
[[Category: Huber, R]]
[[Category: Salmonella virus P22]]
[[Category: Miller, S]]
[[Category: Huber R]]
[[Category: Reinemer, P]]
[[Category: Miller S]]
[[Category: Seckler, R]]
[[Category: Reinemer P]]
[[Category: Steinbacher, S]]
[[Category: Seckler R]]
[[Category: Steipe, B]]
[[Category: Steinbacher S]]
[[Category: Late protein]]
[[Category: Steipe B]]

Latest revision as of 08:41, 14 February 2024

CRYSTAL STRUCTURE OF P22 TAILSPIKE PROTEIN: INTERDIGITATED SUBUNITS IN A THERMOSTABLE TRIMER

1tsp, resolution 2.00Å

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