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1bw6

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[[Image:1bw6.png|left|200px]]
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==HUMAN CENTROMERE PROTEIN B (CENP-B) DNA BINDIGN DOMAIN RP1==
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<StructureSection load='1bw6' size='340' side='right' caption='[[1bw6]], [[NMR_Ensembles_of_Models | 1 NMR models]]' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1bw6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BW6 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1BW6 FirstGlance]. <br>
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</td></tr><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=1bw6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1bw6 OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1bw6 RCSB], [http://www.ebi.ac.uk/pdbsum/1bw6 PDBsum], [http://www.topsan.org/Proteins/RSGI/1bw6 TOPSAN]</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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CENP-B has been suggested to organize arrays of centromere satellite DNA into a higher order structure which then directs centromere formation and kinetochore assembly in mammalian chromosomes. The N-terminal portion of CENP-B is a 15 kDa DNA binding domain (DBD) consisting of two repeating units, RP1 and RP2. The DBD specifically binds to the CENP-B box sequence (17 bp) in centromere DNA. We determined the solution structure of human CENP-B DBD RP1 by multi-dimensional 1H, 13C and 15N NMR methods. The CENP-B DBD RP1 structure consists of four helices and has a helix-turn-helix structure. The overall folding is similar to those of some other eukaryotic DBDs, although significant sequence homology with these proteins was not found. The DBD of yeast RAP1, a telomere binding protein, is most similar to CENP-B DBD RP1. We studied the interaction between CENP-B DBD RP1 and the CENP-B box by the use of NMR chemical shift perturbation. The results suggest that CENP-B DBD RP1 interacts with one of the essential regions of the CENP-B box DNA, mainly at the N-terminal basic region, the N-terminal portion of helix 2 and helix 3.
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{{STRUCTURE_1bw6| PDB=1bw6 | SCENE= }}
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A helix-turn-helix structure unit in human centromere protein B (CENP-B).,Iwahara J, Kigawa T, Kitagawa K, Masumoto H, Okazaki T, Yokoyama S EMBO J. 1998 Feb 2;17(3):827-37. PMID:9451007<ref>PMID:9451007</ref>
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===HUMAN CENTROMERE PROTEIN B (CENP-B) DNA BINDIGN DOMAIN RP1===
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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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{{ABSTRACT_PUBMED_9451007}}
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==See Also==
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*[[Centromere protein|Centromere protein]]
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==About this Structure==
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== References ==
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[[1bw6]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1BW6 OCA].
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<references/>
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__TOC__
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</StructureSection>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Iwahara, J.]]
[[Category: Iwahara, J.]]

Revision as of 09:40, 13 August 2014

HUMAN CENTROMERE PROTEIN B (CENP-B) DNA BINDIGN DOMAIN RP1

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