1v6h: Difference between revisions
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== | ==The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8== | ||
<StructureSection load='1v6h' size='340' side='right'caption='[[1v6h]], [[Resolution|resolution]] 1.90Å' scene=''> | |||
[[Category: | == Structural highlights == | ||
<table><tr><td colspan='2'>[[1v6h]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermus_thermophilus Thermus thermophilus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1V6H OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1V6H FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1v6h FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1v6h OCA], [https://pdbe.org/1v6h PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1v6h RCSB], [https://www.ebi.ac.uk/pdbsum/1v6h PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1v6h ProSAT], [https://www.topsan.org/Proteins/RSGI/1v6h TOPSAN]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/CUTA_THET8 CUTA_THET8] Involved in resistance toward heavy metals (By similarity). | |||
== 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/v6/1v6h_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/main_output.php?pdb_ID=1v6h ConSurf]. | |||
<div style="clear:both"></div> | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
CutA1 (copper tolerance A1) is a widespread cytoplasmic protein found in archaea, bacteria, plants and animals, including humans. In Escherichia coli it is implicated in divalent metal tolerance, while the mammalian CutA1 homologue has been proposed to mediate brain enzyme acetylcholinesterase activity and copper homeostasis. The X-ray structures of CutA1 from the thermophilic bacterium Thermus thermophilus (TtCutA1) with and without bound Na(+) at 1.7 and 1.9 A resolution, respectively, and from the hyperthermophilic archaeon Pyrococcus horikoshii (PhCutA1) in complex with Na(+) at 1.8 A resolution have been determined. Both are short and rigid proteins of about 12 kDa that form intertwined compact trimers in the crystal and solution. The main difference in the structures is a wide-type beta-bulge on top of the TtCutA1 trimer. It affords a mechanism for lodging a single-residue insertion in the middle of beta2 while preserving the interprotomer main-chain hydrogen-bonding network. The liganded forms of the proteins provide new structural information about the metal-binding sites and CutA1 assembly. The Na(+)-TtCutA1 structure unveils a dodecameric assembly with metal ions in the trimer-trimer interfaces and the lateral clefts of the trimer. For Na(+)-PhCutA1, the metal ion associated with six waters in an octahedral geometry. The structures suggest that CutA1 may contribute to regulating intracellular metal homeostasis through various binding modes. | |||
The structures of the CutA1 proteins from Thermus thermophilus and Pyrococcus horikoshii: characterization of metal-binding sites and metal-induced assembly.,Bagautdinov B Acta Crystallogr F Struct Biol Commun. 2014 Apr;70(Pt 4):404-13. doi:, 10.1107/S2053230X14003422. Epub 2014 Mar 25. PMID:24699729<ref>PMID:24699729</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
</div> | |||
<div class="pdbe-citations 1v6h" style="background-color:#fffaf0;"></div> | |||
==See Also== | |||
*[[CutA1 3D structures|CutA1 3D structures]] | |||
== References == | |||
<references/> | |||
__TOC__ | |||
</StructureSection> | |||
[[Category: Large Structures]] | |||
[[Category: Thermus thermophilus]] | [[Category: Thermus thermophilus]] | ||
[[Category: Bagautdinov | [[Category: Bagautdinov B]] | ||
[[Category: Tahirov TH]] | |||
[[Category: Tahirov | |||
Latest revision as of 10:48, 25 October 2023
The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8The Trimeric Structure Of Divalent Cation Tolerance Protein CutA1 From Thermus Thermophilus HB8
Structural highlights
FunctionCUTA_THET8 Involved in resistance toward heavy metals (By similarity). Evolutionary Conservation Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf. Publication Abstract from PubMedCutA1 (copper tolerance A1) is a widespread cytoplasmic protein found in archaea, bacteria, plants and animals, including humans. In Escherichia coli it is implicated in divalent metal tolerance, while the mammalian CutA1 homologue has been proposed to mediate brain enzyme acetylcholinesterase activity and copper homeostasis. The X-ray structures of CutA1 from the thermophilic bacterium Thermus thermophilus (TtCutA1) with and without bound Na(+) at 1.7 and 1.9 A resolution, respectively, and from the hyperthermophilic archaeon Pyrococcus horikoshii (PhCutA1) in complex with Na(+) at 1.8 A resolution have been determined. Both are short and rigid proteins of about 12 kDa that form intertwined compact trimers in the crystal and solution. The main difference in the structures is a wide-type beta-bulge on top of the TtCutA1 trimer. It affords a mechanism for lodging a single-residue insertion in the middle of beta2 while preserving the interprotomer main-chain hydrogen-bonding network. The liganded forms of the proteins provide new structural information about the metal-binding sites and CutA1 assembly. The Na(+)-TtCutA1 structure unveils a dodecameric assembly with metal ions in the trimer-trimer interfaces and the lateral clefts of the trimer. For Na(+)-PhCutA1, the metal ion associated with six waters in an octahedral geometry. The structures suggest that CutA1 may contribute to regulating intracellular metal homeostasis through various binding modes. The structures of the CutA1 proteins from Thermus thermophilus and Pyrococcus horikoshii: characterization of metal-binding sites and metal-induced assembly.,Bagautdinov B Acta Crystallogr F Struct Biol Commun. 2014 Apr;70(Pt 4):404-13. doi:, 10.1107/S2053230X14003422. Epub 2014 Mar 25. PMID:24699729[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. See AlsoReferences
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