2tnf: Difference between revisions

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[[Image:2tnf.png|left|200px]]
==1.4 A RESOLUTION STRUCTURE OF MOUSE TUMOR NECROSIS FACTOR, TOWARDS MODULATION OF ITS SELCTIVITY AND TRIMERISATION==
<StructureSection load='2tnf' size='340' side='right' caption='[[2tnf]], [[Resolution|resolution]] 1.40&Aring;' scene=''>
== Structural highlights ==
<table><tr><td colspan='2'>[[2tnf]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2TNF OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2TNF FirstGlance]. <br>
</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=IPA:ISOPROPYL+ALCOHOL'>IPA</scene>, <scene name='pdbligand=TRS:2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL'>TRS</scene><br>
<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=2tnf FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2tnf OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2tnf RCSB], [http://www.ebi.ac.uk/pdbsum/2tnf 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/tn/2tnf_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 ==
The 1.4 A resolution structure of recombinant mouse tumour-necrosis factor alpha (mTNF) at 100 K has been determined. The crystals are triclinic, space group P1, with unit-cell parameters a = 48.06, b = 48.18, c = 51.01 A, alpha = 114.8, beta = 103.6, gamma = 91.1 degrees. The structure was refined to a final crystallographic R value of 19.7% (Rfree = 23.3%), including 3477 protein atoms, one 2-propanol molecule, one Tris molecule and 240 water molecules. Throughout the crystal lattice, the trimers are differently packed compared with human TNF, which was crystallized in the tetragonal space group P41212 and refined to 2.6 A resolution. The structures of mTNF and human TNF are very similar, diverging mainly in regions that are either flexible and/or involved in crystal packing. Some loops in mTNF which contain residues important for receptor binding are better resolved than in human TNF, such as the surface-exposed loops 30-34 and 144-147, which are also important for receptor specificity. Compared with human TNFs, the channel formed by the three monomers in mTNF is narrower. One 2-propanol molecule trapped in the trimeric channel could be a lead compound for the design of TNF inhibitors.


{{STRUCTURE_2tnf|  PDB=2tnf  |  SCENE=  }}
The structure of mouse tumour-necrosis factor at 1.4 A resolution: towards modulation of its selectivity and trimerization.,Baeyens KJ, De Bondt HL, Raeymaekers A, Fiers W, De Ranter CJ Acta Crystallogr D Biol Crystallogr. 1999 Apr;55(Pt 4):772-8. PMID:10089307<ref>PMID:10089307</ref>


===1.4 A RESOLUTION STRUCTURE OF MOUSE TUMOR NECROSIS FACTOR, TOWARDS MODULATION OF ITS SELCTIVITY AND TRIMERISATION===
From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
</div>


{{ABSTRACT_PUBMED_10089307}}
==See Also==
 
*[[Tumor necrosis factor|Tumor necrosis factor]]
==About this Structure==
== References ==
[[2tnf]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2TNF OCA].
<references/>
 
__TOC__
==Reference==
</StructureSection>
<ref group="xtra">PMID:010089307</ref><references group="xtra"/>
[[Category: Mus musculus]]
[[Category: Mus musculus]]
[[Category: Baeyens, K J.]]
[[Category: Baeyens, K J.]]

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