1fw4

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[[Image:1fw4.png|left|200px]]
 
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==CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION==
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The line below this paragraph, containing "STRUCTURE_1fw4", creates the "Structure Box" on the page.
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<StructureSection load='1fw4' size='340' side='right'caption='[[1fw4]], [[Resolution|resolution]] 1.70&Aring;' scene=''>
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You may change the PDB parameter (which sets the PDB file loaded into the applet)
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== Structural highlights ==
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or the SCENE parameter (which sets the initial scene displayed when the page is loaded),
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<table><tr><td colspan='2'>[[1fw4]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1trc 1trc]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FW4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FW4 FirstGlance]. <br>
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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]] 1.7&#8491;</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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{{STRUCTURE_1fw4| PDB=1fw4 | SCENE= }}
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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=1fw4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fw4 OCA], [https://pdbe.org/1fw4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fw4 RCSB], [https://www.ebi.ac.uk/pdbsum/1fw4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fw4 ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/CALM_BOVIN CALM_BOVIN] Calmodulin mediates the control of a large number of enzymes, ion channels and other proteins by Ca(2+). Among the enzymes to be stimulated by the calmodulin-Ca(2+) complex are a number of protein kinases and phosphatases. Together with CEP110 and centrin, is involved in a genetic pathway that regulates the centrosome cycle and progression through cytokinesis (By similarity).
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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/fw/1fw4_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/main_output.php?pdb_ID=1fw4 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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Fragment TR2C is the C-terminal part of the calcium-binding protein calmodulin, including residues 78-148. The crystal structure of TR2C was solved by molecular replacement and refined to a conventional R value of 21.8% (R(free) = 22.0%), using all data in the resolution range 20.0-1.7 A. This study shows that the secondary structure of TR2C, a pair of EF-hand motifs with two calcium-binding sites, is similar to the corresponding motifs in intact calmodulin. However, it also indicates that the N-terminus of helix E is closer to the C-terminus of helix H in TR2C than in the intact protein and that the loop connecting the EF-hands shows different conformations in the two structures. The crystal structure of TR2C was further found to be similar to the set of NMR structures of this fragment, although some pronounced differences exist.
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===CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION===
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Structure of Escherichia coli fragment TR2C from calmodulin to 1.7 A resolution.,Olsson LL, Sjolin L Acta Crystallogr D Biol Crystallogr. 2001 May;57(Pt 5):664-9. Epub 2001, Apr 24. PMID:11320306<ref>PMID:11320306</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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<div class="pdbe-citations 1fw4" style="background-color:#fffaf0;"></div>
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(as it appears on PubMed at http://www.pubmed.gov), where 11320306 is the PubMed ID number.
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{{ABSTRACT_PUBMED_11320306}}
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==About this Structure==
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[[1fw4]] is a 1 chain structure of [[Calmodulin]] with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=1trc 1trc]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FW4 OCA].
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==See Also==
==See Also==
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*[[Calmodulin]]
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*[[Calmodulin 3D structures|Calmodulin 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:11320306</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Olsson, L L.]]
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[[Category: Large Structures]]
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[[Category: Sjolin, L.]]
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[[Category: Olsson L-L]]
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[[Category: C-terminal domain]]
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[[Category: Sjolin L]]
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[[Category: Calcium]]
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[[Category: Calmodulin]]
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[[Category: Ef-hand]]
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[[Category: Fragment]]
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[[Category: Helix-loop-helix]]
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[[Category: Metal binding protein]]
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[[Category: Tr2c]]
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Current revision

CRYSTAL STRUCTURE OF E. COLI FRAGMENT TR2C FROM CALMODULIN TO 1.7 A RESOLUTION

PDB ID 1fw4

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