2q3u: Difference between revisions

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<StructureSection load='2q3u' size='340' side='right' caption='[[2q3u]], [[Resolution|resolution]] 1.53&Aring;' scene=''>
<StructureSection load='2q3u' size='340' side='right' caption='[[2q3u]], [[Resolution|resolution]] 1.53&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2q3u]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q3U OCA]. <br>
<table><tr><td colspan='2'>[[2q3u]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Arabidopsis_thaliana Arabidopsis thaliana]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2Q3U OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2Q3U FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MPO:3[N-MORPHOLINO]PROPANE+SULFONIC+ACID'>MPO</scene><br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=EDO:1,2-ETHANEDIOL'>EDO</scene>, <scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene>, <scene name='pdbligand=MPO:3[N-MORPHOLINO]PROPANE+SULFONIC+ACID'>MPO</scene></td></tr>
<tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1vkp|1vkp]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1vkp|1vkp]]</td></tr>
<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">AIH, At5g08170, T22D6.110 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 Arabidopsis thaliana])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">AIH, At5g08170, T22D6.110 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=3702 Arabidopsis thaliana])</td></tr>
<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Glucokinase Glucokinase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.1.2 2.7.1.2] </span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Agmatine_deiminase Agmatine deiminase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.5.3.12 3.5.3.12] </span></td></tr>
<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=2q3u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q3u OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2q3u RCSB], [http://www.ebi.ac.uk/pdbsum/2q3u PDBsum]</span></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=2q3u FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2q3u OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2q3u RCSB], [http://www.ebi.ac.uk/pdbsum/2q3u PDBsum]</span></td></tr>
<table>
</table>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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Ensemble refinement of protein crystal structures: validation and application.,Levin EJ, Kondrashov DA, Wesenberg GE, Phillips GN Jr Structure. 2007 Sep;15(9):1040-52. PMID:17850744<ref>PMID:17850744</ref>
Ensemble refinement of protein crystal structures: validation and application.,Levin EJ, Kondrashov DA, Wesenberg GE, Phillips GN Jr Structure. 2007 Sep;15(9):1040-52. PMID:17850744<ref>PMID:17850744</ref>


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

Revision as of 08:49, 10 October 2014

Ensemble refinement of the protein crystal structure of gene product from Arabidopsis thaliana At5g08170, agmatine iminohydrolaseEnsemble refinement of the protein crystal structure of gene product from Arabidopsis thaliana At5g08170, agmatine iminohydrolase

Structural highlights

2q3u is a 2 chain structure with sequence from Arabidopsis thaliana. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:, ,
NonStd Res:
Gene:AIH, At5g08170, T22D6.110 (Arabidopsis thaliana)
Activity:Agmatine deiminase, with EC number 3.5.3.12
Resources:FirstGlance, OCA, RCSB, PDBsum

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

X-ray crystallography typically uses a single set of coordinates and B factors to describe macromolecular conformations. Refinement of multiple copies of the entire structure has been previously used in specific cases as an alternative means of representing structural flexibility. Here, we systematically validate this method by using simulated diffraction data, and we find that ensemble refinement produces better representations of the distributions of atomic positions in the simulated structures than single-conformer refinements. Comparison of principal components calculated from the refined ensembles and simulations shows that concerted motions are captured locally, but that correlations dissipate over long distances. Ensemble refinement is also used on 50 experimental structures of varying resolution and leads to decreases in R(free) values, implying that improvements in the representation of flexibility observed for the simulated structures may apply to real structures. These gains are essentially independent of resolution or data-to-parameter ratio, suggesting that even structures at moderate resolution can benefit from ensemble refinement.

Ensemble refinement of protein crystal structures: validation and application.,Levin EJ, Kondrashov DA, Wesenberg GE, Phillips GN Jr Structure. 2007 Sep;15(9):1040-52. PMID:17850744[1]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. ↑ Levin EJ, Kondrashov DA, Wesenberg GE, Phillips GN Jr. Ensemble refinement of protein crystal structures: validation and application. Structure. 2007 Sep;15(9):1040-52. PMID:17850744 doi:http://dx.doi.org/10.1016/j.str.2007.06.019

2q3u, resolution 1.53Å

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