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3sxy

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Current revision (13:11, 14 March 2024) (edit) (undo)
 
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<StructureSection load='3sxy' size='340' side='right'caption='[[3sxy]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
<StructureSection load='3sxy' size='340' side='right'caption='[[3sxy]], [[Resolution|resolution]] 1.65&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[3sxy]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_43589 Atcc 43589]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SXY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3SXY FirstGlance]. <br>
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<table><tr><td colspan='2'>[[3sxy]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Thermotoga_maritima Thermotoga maritima]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3SXY OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3SXY FirstGlance]. <br>
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</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3fms|3fms]], [[3sxk|3sxk]], [[3sxm|3sxm]], [[3sxz|3sxz]]</div></td></tr>
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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]] 1.647&#8491;</td></tr>
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<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TM_0439 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=2336 ATCC 43589])</td></tr>
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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=3sxy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3sxy OCA], [https://pdbe.org/3sxy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3sxy RCSB], [https://www.ebi.ac.uk/pdbsum/3sxy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3sxy ProSAT]</span></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=3sxy FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3sxy OCA], [https://pdbe.org/3sxy PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3sxy RCSB], [https://www.ebi.ac.uk/pdbsum/3sxy PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3sxy ProSAT]</span></td></tr>
</table>
</table>
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<div style="background-color:#fffaf0;">
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== Function ==
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== Publication Abstract from PubMed ==
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[https://www.uniprot.org/uniprot/Q9WYS0_THEMA Q9WYS0_THEMA]
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The GntR superfamily of dimeric transcription factors, with more than 6200 members encoded in bacterial genomes, are characterized by N-terminal winged-helix DNA-binding domains and diverse C-terminal regulatory domains which provide a basis for the classification of the constituent families. The largest of these families, FadR, contains nearly 3000 proteins with all-alpha-helical regulatory domains classified into two related Pfam families: FadR_C and FCD. Only two crystal structures of FadR-family members, those of Escherichia coli FadR protein and LldR from Corynebacterium glutamicum, have been described to date in the literature. Here, the crystal structure of TM0439, a GntR regulator with an FCD domain found in the Thermotoga maritima genome, is described. The FCD domain is similar to that of the LldR regulator and contains a buried metal-binding site. Using atomic absorption spectroscopy and Trp fluorescence, it is shown that the recombinant protein contains bound Ni(2+) ions but that it is able to bind Zn(2+) with K(d) &lt; 70 nM. It is concluded that Zn(2+) is the likely physiological metal and that it may perform either structural or regulatory roles or both. Finally, the TM0439 structure is compared with two other FadR-family structures recently deposited by structural genomics consortia. The results call for a revision in the classification of the FadR family of transcription factors.
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Structure of Thermotoga maritima TM0439: implications for the mechanism of bacterial GntR transcription regulators with Zn2+-binding FCD domains.,Zheng M, Cooper DR, Grossoehme NE, Yu M, Hung LW, Cieslik M, Derewenda U, Lesley SA, Wilson IA, Giedroc DP, Derewenda ZS Acta Crystallogr D Biol Crystallogr. 2009 Apr;65(Pt 4):356-65. Epub 2009, Mar 19. PMID:19307717<ref>PMID:19307717</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 3sxy" style="background-color:#fffaf0;"></div>
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==See Also==
==See Also==
*[[Transcriptional activator 3D structures|Transcriptional activator 3D structures]]
*[[Transcriptional activator 3D structures|Transcriptional activator 3D structures]]
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== References ==
 
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<references/>
 
__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Atcc 43589]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Czelakowski, G P]]
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[[Category: Thermotoga maritima]]
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[[Category: Derewenda, Z S]]
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[[Category: Czelakowski GP]]
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[[Category: ISFI, Integrated Center for Structure and Function Innovation]]
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[[Category: Derewenda ZS]]
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[[Category: Dna-binding]]
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[[Category: Fadr]]
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[[Category: Fadr-c]]
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[[Category: Gntr]]
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[[Category: Integrated center for structure and function innovation]]
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[[Category: Isfi]]
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[[Category: Metal-binding]]
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[[Category: Nickel-binding]]
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[[Category: PSI, Protein structure initiative]]
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[[Category: Structural genomic]]
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[[Category: Surface entropy reduction]]
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[[Category: Transcription]]
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[[Category: Transcription factor]]
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[[Category: Transcription regulator]]
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[[Category: Transcription repressor]]
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[[Category: Transcriptional regulator]]
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[[Category: Zinc-binding]]
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Current revision

Metal-free full-length structure of Tm0439, a metal-binding FCD family transcriptional regulator

PDB ID 3sxy

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OCA

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