1pcl

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[[Image:1pcl.png|left|200px]]
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==UNUSUAL STRUCTURAL FEATURES IN THE PARALLEL BETA-HELIX IN PECTATE LYASES==
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<StructureSection load='1pcl' size='340' side='right' caption='[[1pcl]], [[Resolution|resolution]] 2.20&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1pcl]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Erwinia_chrysanthemi Erwinia chrysanthemi]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PCL OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1PCL FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">PPEL748 OF PELC ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=556 Erwinia chrysanthemi])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pectate_lyase Pectate lyase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=4.2.2.2 4.2.2.2] </span></td></tr>
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<tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1pcl FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1pcl OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1pcl RCSB], [http://www.ebi.ac.uk/pdbsum/1pcl PDBsum]</span></td></tr>
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<table>
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/pc/1pcl_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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BACKGROUND: A new type of domain structure, an all parallel beta class, has recently been observed in two pectate lyases, PelC and PelE. The atomic models have been analyzed to determine whether the new tertiary fold exhibits unusual structural features. RESULTS: The polypeptide backbone exhibits no new types of secondary structural elements. However, novel features occur in the amino acid side chain interactions. The side chain atoms form linear stacks that include asparagine ladders, serine stacks, aliphatic stacks, and ringed-residue stacks. A new type of beta-sandwich between parallel beta-sheets is observed with properties that are more characteristic of antiparallel beta-sheets. CONCLUSION: An analysis of the PelC and PelE structures, belonging to an all parallel beta structural class, reveals novel amino acid side chain interactions, a new type of beta-sandwich and an atypical amino acid composition of parallel beta-sheets. The findings are relevant to three-dimensional structural predictions.
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{{STRUCTURE_1pcl| PDB=1pcl | SCENE= }}
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Unusual structural features in the parallel beta-helix in pectate lyases.,Yoder MD, Lietzke SE, Jurnak F Structure. 1993 Dec 15;1(4):241-51. PMID:8081738<ref>PMID:8081738</ref>
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===UNUSUAL STRUCTURAL FEATURES IN THE PARALLEL BETA-HELIX IN PECTATE LYASES===
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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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{{ABSTRACT_PUBMED_8081738}}
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== References ==
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<references/>
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==About this Structure==
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__TOC__
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[[1pcl]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Erwinia_chrysanthemi Erwinia chrysanthemi]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1PCL OCA].
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:008081738</ref><references group="xtra"/>
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[[Category: Erwinia chrysanthemi]]
[[Category: Erwinia chrysanthemi]]
[[Category: Pectate lyase]]
[[Category: Pectate lyase]]

Revision as of 20:34, 28 September 2014

UNUSUAL STRUCTURAL FEATURES IN THE PARALLEL BETA-HELIX IN PECTATE LYASES

1pcl, resolution 2.20Å

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