4dfr

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{{Seed}}
 
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[[Image:4dfr.png|left|200px]]
 
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==CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 ANGSTROMS RESOLUTION. I. GENERAL FEATURES AND BINDING OF METHOTREXATE==
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The line below this paragraph, containing "STRUCTURE_4dfr", creates the "Structure Box" on the page.
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<StructureSection load='4dfr' size='340' side='right'caption='[[4dfr]], [[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'>[[4dfr]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Escherichia_coli_B Escherichia coli B]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2dfr 2dfr]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DFR OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=4DFR 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>, <scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=MTX:METHOTREXATE'>MTX</scene></td></tr>
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{{STRUCTURE_4dfr| PDB=4dfr | 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=4dfr FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4dfr OCA], [https://pdbe.org/4dfr PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=4dfr RCSB], [https://www.ebi.ac.uk/pdbsum/4dfr PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=4dfr ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/DYR_ECOLI DYR_ECOLI] Key enzyme in folate metabolism. Catalyzes an essential reaction for de novo glycine and purine synthesis, and for DNA precursor synthesis.
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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/df/4dfr_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=4dfr ConSurf].
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<div style="clear:both"></div>
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===CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 ANGSTROMS RESOLUTION. I. GENERAL FEATURES AND BINDING OF METHOTREXATE===
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==See Also==
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*[[Dihydrofolate reductase 3D structures|Dihydrofolate reductase 3D structures]]
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__TOC__
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</StructureSection>
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The line below this paragraph, {{ABSTRACT_PUBMED_6815178}}, adds the Publication Abstract to the page
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[[Category: Escherichia coli B]]
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(as it appears on PubMed at http://www.pubmed.gov), where 6815178 is the PubMed ID number.
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[[Category: Large Structures]]
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[[Category: Bolin JT]]
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{{ABSTRACT_PUBMED_6815178}}
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[[Category: Filman DJ]]
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[[Category: Kraut J]]
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==About this Structure==
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[[Category: Matthews DA]]
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4DFR is a 2 chains structure of sequences from [http://en.wikipedia.org/wiki/Escherichia_coli_b Escherichia coli b]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=2dfr 2dfr]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4DFR OCA].
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==Reference==
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<ref group="xtra">PMID:6815178</ref><references group="xtra"/>
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[[Category: Dihydrofolate reductase]]
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[[Category: Escherichia coli b]]
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[[Category: Bolin, J T.]]
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[[Category: Filman, D J.]]
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[[Category: Kraut, J.]]
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[[Category: Matthews, D A.]]
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[[Category: Oxido-reductase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Feb 17 05:28:01 2009''
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Current revision

CRYSTAL STRUCTURES OF ESCHERICHIA COLI AND LACTOBACILLUS CASEI DIHYDROFOLATE REDUCTASE REFINED AT 1.7 ANGSTROMS RESOLUTION. I. GENERAL FEATURES AND BINDING OF METHOTREXATE

PDB ID 4dfr

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