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4g1h

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==Group B Streptococcus Pilus Island 1 Sortase C2==
==Group B Streptococcus Pilus Island 1 Sortase C2==
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<StructureSection load='4g1h' size='340' side='right' caption='[[4g1h]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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<StructureSection load='4g1h' size='340' side='right'caption='[[4g1h]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[4g1h]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Streptococcus_agalactiae_serogroup_v Streptococcus agalactiae serogroup v]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4G1H OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4G1H FirstGlance]. <br>
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<table><tr><td colspan='2'>[[4g1h]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Streptococcus_agalactiae_serogroup_V Streptococcus agalactiae serogroup V]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4G1H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4G1H FirstGlance]. <br>
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4g1j|4g1j]]</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SAG0648 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=216466 Streptococcus agalactiae serogroup V])</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=4g1h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4g1h OCA], [https://pdbe.org/4g1h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4g1h RCSB], [https://www.ebi.ac.uk/pdbsum/4g1h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4g1h ProSAT]</span></td></tr>
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<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=4g1h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4g1h OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4g1h RCSB], [http://www.ebi.ac.uk/pdbsum/4g1h PDBsum]</span></td></tr>
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</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q8E0S6_STRA5 Q8E0S6_STRA5]
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Gram-positive bacteria assemble pili through class C sortase enzymes specialized in polymerizing pilin subunits into covalently linked, high-molecular-weight, elongated structures. Here we report the crystal structures of two class C sortases (SrtC1 and SrtC2) from Group B Streptococcus (GBS) Pilus Island 1. The structures show that both sortases are comprised of two domains: an 8-stranded beta-barrel catalytic core conserved among all sortase family members and a flexible N-terminal region made of two alpha-helices followed by a loop, known as the lid, which acts as a pseudo-substrate. In vitro experiments performed with recombinant SrtC enzymes lacking the N-terminal portion demonstrate that this region of the enzyme is dispensable for catalysis but may have key roles in substrate specificity and regulation. Moreover, in vitro FRET-based assays show that the LPXTG motif common to many sortase substrates is not the sole determinant of sortase C specificity during pilin protein recognition.
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Structural basis for group B streptococcus pilus 1 sortases C regulation and specificity.,Cozzi R, Prigozhin D, Rosini R, Abate F, Bottomley MJ, Grandi G, Telford JL, Rinaudo CD, Maione D, Alber T PLoS One. 2012;7(11):e49048. doi: 10.1371/journal.pone.0049048. Epub 2012 Nov 8. PMID:23145064<ref>PMID:23145064</ref>
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Streptococcus agalactiae serogroup v]]
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[[Category: Large Structures]]
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[[Category: Alber, T]]
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[[Category: Streptococcus agalactiae serogroup V]]
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[[Category: Cozzi, R]]
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[[Category: Alber T]]
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[[Category: Prigozhin, D M]]
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[[Category: Cozzi R]]
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[[Category: Cysteine protease]]
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[[Category: Prigozhin DM]]
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[[Category: Extracellular]]
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[[Category: Transferase]]
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Current revision

Group B Streptococcus Pilus Island 1 Sortase C2

PDB ID 4g1h

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