1jfi

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|GENE= NC2 alpha (DRAP1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), NC2 beta (Dr1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), tbp ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|GENE= NC2 alpha (DRAP1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), NC2 beta (Dr1) ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), tbp ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG5150 COG5150], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG5247 BUR6], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd04516 TBP_eukaryotes], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG2101 SPT15]</span>
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG5150 COG5150], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG5247 BUR6], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd04516 TBP_eukaryotes], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG2101 SPT15]</span>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfi OCA], [http://www.ebi.ac.uk/pdbsum/1jfi PDBsum], [http://www.fli-leibniz.de/cgi-bin/ImgLib.pl?CODE=1kfv JenaLib], [http://www.rcsb.org/pdb/explore.do?structureId=1jfi RCSB]</span>
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|RELATEDENTRY=
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1jfi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1jfi OCA], [http://www.ebi.ac.uk/pdbsum/1jfi PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1jfi RCSB]</span>
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}}
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==Overview==
==Overview==
The X-ray structure of a ternary complex of Negative Cofactor 2 (NC2), the TATA box binding protein (TBP), and DNA has been determined at 2.6 A resolution. The N termini of NC2 alpha and beta resemble histones H2A and H2B, respectively, and form a heterodimer that binds to the bent DNA double helix on the underside of the preformed TBP-DNA complex via electrostatic interactions. NC2beta contributes to inhibition of TATA-dependent transcription through interactions of its C-terminal alpha helix with a conserved hydrophobic feature on the upper surface of TBP, which in turn positions the penultimate alpha helix of NC2beta to block recognition of the TBP-DNA complex by transcription factor IIB. Further regulatory implications of the NC2 heterodimer structure are discussed.
The X-ray structure of a ternary complex of Negative Cofactor 2 (NC2), the TATA box binding protein (TBP), and DNA has been determined at 2.6 A resolution. The N termini of NC2 alpha and beta resemble histones H2A and H2B, respectively, and form a heterodimer that binds to the bent DNA double helix on the underside of the preformed TBP-DNA complex via electrostatic interactions. NC2beta contributes to inhibition of TATA-dependent transcription through interactions of its C-terminal alpha helix with a conserved hydrophobic feature on the upper surface of TBP, which in turn positions the penultimate alpha helix of NC2beta to block recognition of the TBP-DNA complex by transcription factor IIB. Further regulatory implications of the NC2 heterodimer structure are discussed.
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==Disease==
 
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Known diseases associated with this structure: Glioblastoma OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=606417 606417]], Huntington disease-like-4 OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=600075 600075]], Parkinson disease OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=600075 600075]], Spinocerebellar ataxia 17 OMIM:[[http://www.ncbi.nlm.nih.gov/entrez/dispomim.cgi?id=600075 600075]]
 
==About this Structure==
==About this Structure==
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[[Category: transcription initiation]]
[[Category: transcription initiation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Mar 26 05:54:02 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 21:32:57 2008''

Revision as of 18:33, 30 March 2008

Image:1jfi.gif


PDB ID 1jfi

Drag the structure with the mouse to rotate
, resolution 2.62Å
Ligands: , , ,
Gene: NC2 alpha (DRAP1) (Homo sapiens), NC2 beta (Dr1) (Homo sapiens), tbp (Homo sapiens)
Domains: COG5150, BUR6, TBP_eukaryotes, SPT15
Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal Structure of the NC2-TBP-DNA Ternary Complex


Overview

The X-ray structure of a ternary complex of Negative Cofactor 2 (NC2), the TATA box binding protein (TBP), and DNA has been determined at 2.6 A resolution. The N termini of NC2 alpha and beta resemble histones H2A and H2B, respectively, and form a heterodimer that binds to the bent DNA double helix on the underside of the preformed TBP-DNA complex via electrostatic interactions. NC2beta contributes to inhibition of TATA-dependent transcription through interactions of its C-terminal alpha helix with a conserved hydrophobic feature on the upper surface of TBP, which in turn positions the penultimate alpha helix of NC2beta to block recognition of the TBP-DNA complex by transcription factor IIB. Further regulatory implications of the NC2 heterodimer structure are discussed.

About this Structure

1JFI is a Protein complex structure of sequences from Homo sapiens. The following page contains interesting information on the relation of 1JFI with [TATA-Binding Protein]. Full crystallographic information is available from OCA.

Reference

Crystal structure of negative cofactor 2 recognizing the TBP-DNA transcription complex., Kamada K, Shu F, Chen H, Malik S, Stelzer G, Roeder RG, Meisterernst M, Burley SK, Cell. 2001 Jul 13;106(1):71-81. PMID:11461703

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