4mzb

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{{STRUCTURE_4mzb| PDB=4mzb | SCENE= }}
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==Crystal strucutre of Grx1 from Plasmodium falciparum==
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===Crystal strucutre of Grx1 from Plasmodium falciparum===
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<StructureSection load='4mzb' size='340' side='right' caption='[[4mzb]], [[Resolution|resolution]] 1.04&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[4mzb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Plaf7 Plaf7]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4kje 4kje]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4MZB OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4MZB FirstGlance]. <br>
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</td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=MPD:(4S)-2-METHYL-2,4-PENTANEDIOL'>MPD</scene>, <scene name='pdbligand=MPO:3[N-MORPHOLINO]PROPANE+SULFONIC+ACID'>MPO</scene><br>
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<tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4hjm|4hjm]], [[3c1r|3c1r]], [[3ctg|3ctg]], [[1kte|1kte]], [[4mzc|4mzc]]</td></tr>
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<tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">GRX1, PFC0271c ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=36329 PLAF7])</td></tr>
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<tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Arsenate_reductase_(glutaredoxin) Arsenate reductase (glutaredoxin)], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.20.4.1 1.20.4.1] </span></td></tr>
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<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=4mzb FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4mzb OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4mzb RCSB], [http://www.ebi.ac.uk/pdbsum/4mzb PDBsum]</span></td></tr>
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<table>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Glutaredoxins (Grxs) are redox proteins that use glutathione ((gamma)Glu-Cys-Gly; GSH) as a cofactor. Plasmodium falciparum has one classic dithiol (CXXC) glutaredoxin (glutaredoxin 1; PfGrx1) and three monothiol (CXXS) Grx-like proteins (GLPs), which have five residue insertions prior to the active-site Cys. Here, the crystal structure of PfGrx1 has been determined by the sulfur single-wavelength anomalous diffraction (S-SAD) method utilizing intrinsic protein and solvent S atoms. Several residues were modelled with alternate conformations, and an alternate position was refined for the active-site Cys29 owing to radiation damage. The GSH-binding site is occupied by water polygons and buffer molecules. Structural comparison of PfGrx1 with other Grxs and Grx-like proteins revealed that the GSH-binding motifs (CXXC/CXXS, TVP, CDD, Lys26 and Gln/Arg63) are structurally conserved. Both the monothiol and dithiol Grxs possess three conserved water molecules; two of these were located in the GSH-binding site. PfGrx1 has several polar and charged amino-acid substitutions that provide structurally important additional hydrogen bonds and salt bridges missing in other Grxs.
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==About this Structure==
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Atomic resolution crystal structure of glutaredoxin 1 from Plasmodium falciparum and comparison with other glutaredoxins.,Yogavel M, Tripathi T, Gupta A, Banday MM, Rahlfs S, Becker K, Belrhali H, Sharma A Acta Crystallogr D Biol Crystallogr. 2014 Jan;70(Pt 1):91-100. doi:, 10.1107/S1399004713025285. Epub 2013 Dec 24. PMID:24419382<ref>PMID:24419382</ref>
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[[4mzb]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Plaf7 Plaf7]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=4kje 4kje]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4MZB OCA].
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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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== References ==
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<references/>
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__TOC__
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</StructureSection>
[[Category: Plaf7]]
[[Category: Plaf7]]
[[Category: Sharma, A.]]
[[Category: Sharma, A.]]

Revision as of 07:08, 24 September 2014

Crystal strucutre of Grx1 from Plasmodium falciparum

4mzb, resolution 1.04Å

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