1bf4

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<StructureSection load='1bf4' size='340' side='right'caption='[[1bf4]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
<StructureSection load='1bf4' size='340' side='right'caption='[[1bf4]], [[Resolution|resolution]] 1.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1bf4]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Atcc_33909 Atcc 33909]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BF4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BF4 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1bf4]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Sulfolobus_acidocaldarius Sulfolobus acidocaldarius]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BF4 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1BF4 FirstGlance]. <br>
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</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=5IU:5-IODO-2-DEOXYURIDINE-5-MONOPHOSPHATE'>5IU</scene></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]] 1.6&#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=5IU:5-IODO-2-DEOXYURIDINE-5-MONOPHOSPHATE'>5IU</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=1bf4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bf4 OCA], [https://pdbe.org/1bf4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bf4 RCSB], [https://www.ebi.ac.uk/pdbsum/1bf4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bf4 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=1bf4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bf4 OCA], [https://pdbe.org/1bf4 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1bf4 RCSB], [https://www.ebi.ac.uk/pdbsum/1bf4 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1bf4 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[https://www.uniprot.org/uniprot/DN71_SULAC DN71_SULAC]] Constrain negative DNA supercoils; may be involved in maintaining the integrity of their genome at high temperature.
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[https://www.uniprot.org/uniprot/DN7D_SULAC DN7D_SULAC] Can constrain negative DNA supercoils. May be involved in maintaining the integrity of the genome at high temperature.[UniProtKB:P61990]
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Sso7d and Sac7d are two small (approximately 7,000 Mr), but abundant, chromosomal proteins from the hyperthermophilic archaeabacteria Sulfolobus solfataricus and S. acidocaldarius respectively. These proteins have high thermal, acid and chemical stability. They bind DNA without marked sequence preference and increase the Tm of DNA by approximately 40 degrees C. Sso7d in complex with GTAATTAC and GCGT(iU)CGC + GCGAACGC was crystallized in different crystal lattices and the crystal structures were solved at high resolution. Sso7d binds in the minor groove of DNA and causes a single-step sharp kink in DNA (approximately 60 degrees) by the intercalation of the hydrophobic side chains of Val 26 and Met 29. The intercalation sites are different in the two complexes. Observations of this novel DNA binding mode in three independent crystal lattices indicate that it is not a function of crystal packing.
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The crystal structure of the hyperthermophile chromosomal protein Sso7d bound to DNA.,Gao YG, Su SY, Robinson H, Padmanabhan S, Lim L, McCrary BS, Edmondson SP, Shriver JW, Wang AH Nat Struct Biol. 1998 Sep;5(9):782-6. PMID:9731772<ref>PMID:9731772</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 1bf4" style="background-color:#fffaf0;"></div>
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== References ==
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<references/>
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
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[[Category: Atcc 33909]]
 
[[Category: Large Structures]]
[[Category: Large Structures]]
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[[Category: Gao, Y G]]
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[[Category: Sulfolobus acidocaldarius]]
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[[Category: Lim, L]]
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[[Category: Gao Y-G]]
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[[Category: Padmanabhan, S]]
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[[Category: Lim L]]
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[[Category: Robinson, H]]
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[[Category: Padmanabhan S]]
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[[Category: Shriver, J W]]
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[[Category: Robinson H]]
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[[Category: Su, S]]
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[[Category: Shriver JW]]
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[[Category: Wang, A H.J]]
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[[Category: Su S]]
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[[Category: Archaebacteria]]
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[[Category: Wang AH-J]]
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[[Category: Dna binding protein]]
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[[Category: Dna-binding protein-dna complex]]
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[[Category: Hyperthermophile]]
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Current revision

CHROMOSOMAL DNA-BINDING PROTEIN SSO7D/D(GCGAACGC) COMPLEX

PDB ID 1bf4

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Proteopedia Page Contributors and Editors (what is this?)

OCA

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