1d3f
From Proteopedia
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| - | [[ | + | ==N-TERMINAL DOMAIN CORE METHIONINE MUTATION== |
| + | <StructureSection load='1d3f' size='340' side='right' caption='[[1d3f]], [[Resolution|resolution]] 2.05Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[1d3f]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Enterobacteria_phage_t4 Enterobacteria phage t4]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1D3F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1D3F FirstGlance]. <br> | ||
| + | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=HED:2-HYDROXYETHYL+DISULFIDE'>HED</scene><br> | ||
| + | <tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1ctw|1ctw]], [[1cu0|1cu0]], [[1cu2|1cu2]], [[1cu3|1cu3]], [[1cu6|1cu6]], [[1cu5|1cu5]], [[1cup|1cup]], [[1cuq|1cuq]], [[1cv0|1cv0]], [[1cv1|1cv1]], [[1qsq|1qsq]], [[1cv4|1cv4]], [[1cv3|1cv3]], [[1cv5|1cv5]], [[1cv6|1cv6]], [[1cvk|1cvk]], [[1d2w|1d2w]], [[1d2y|1d2y]], [[1d3j|1d3j]]</td></tr> | ||
| + | <tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">GENE E ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=10665 Enterobacteria phage T4])</td></tr> | ||
| + | <tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Lysozyme Lysozyme], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.1.17 3.2.1.17] </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=1d3f FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1d3f OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1d3f RCSB], [http://www.ebi.ac.uk/pdbsum/1d3f PDBsum]</span></td></tr> | ||
| + | <table> | ||
| + | == Evolutionary Conservation == | ||
| + | [[Image:Consurf_key_small.gif|200px|right]] | ||
| + | Check<jmol> | ||
| + | <jmolCheckbox> | ||
| + | <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/d3/1d3f_consurf.spt"</scriptWhenChecked> | ||
| + | <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked> | ||
| + | <text>to colour the structure by Evolutionary Conservation</text> | ||
| + | </jmolCheckbox> | ||
| + | </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]. | ||
| + | <div style="clear:both"></div> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Using heavily methionine-substituted T4 lysozyme as an example, it is shown how the addition or deletion of a small number of methionines can simplify the location of selenium sites for use in MAD phasing. By comparing the X-ray data for a large number of singly substituted lysozymes, it is shown that the optimal amino acid to be substituted by methionine is leucine, followed, in order of preference, by phenylalanine, isoleucine and valine. The identification of leucine as the first choice agrees with the ranking suggested by the Dayhoff mutation probability, i.e. by the frequency of amino-acid substitutions in the sequences of related proteins. The ranking of the second and subsequent choices, however, differ significantly. | ||
| - | + | Use of differentially substituted selenomethionine proteins in X-ray structure determination.,Gassner NC, Matthews BW Acta Crystallogr D Biol Crystallogr. 1999 Dec;55(Pt 12):1967-70. PMID:10666571<ref>PMID:10666571</ref> | |
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | + | </div> | |
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==See Also== | ==See Also== | ||
| - | *[[ | + | *[[Lysozyme 3D structures|Lysozyme 3D structures]] |
| - | + | == References == | |
| - | == | + | <references/> |
| - | < | + | __TOC__ |
| + | </StructureSection> | ||
[[Category: Enterobacteria phage t4]] | [[Category: Enterobacteria phage t4]] | ||
[[Category: Lysozyme]] | [[Category: Lysozyme]] | ||
Revision as of 09:21, 27 August 2014
N-TERMINAL DOMAIN CORE METHIONINE MUTATION
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