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2pa8

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{{STRUCTURE_2pa8| PDB=2pa8 | SCENE= }}
{{STRUCTURE_2pa8| PDB=2pa8 | SCENE= }}
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'''X-Ray Crystal Structure of the D/L Subcomplex of the Sulfolobus Solfataricus RNA polymerase'''
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===X-Ray Crystal Structure of the D/L Subcomplex of the Sulfolobus Solfataricus RNA polymerase===
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==Overview==
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The transcription apparatus in Archaea can be described as a simplified version of its eukaryotic RNA polymerase (RNAP) II counterpart, comprising an RNAPII-like enzyme as well as two general transcription factors, the TATA-binding protein (TBP) and the eukaryotic TFIIB orthologue TFB. It has been widely understood that precise comparisons of cellular RNAP crystal structures could reveal structural elements common to all enzymes and that these insights would be useful in analysing components of each enzyme that enable it to perform domain-specific gene expression. However, the structure of archaeal RNAP has been limited to individual subunits. Here we report the first crystal structure of the archaeal RNAP from Sulfolobus solfataricus at 3.4 A resolution, completing the suite of multi-subunit RNAP structures from all three domains of life. We also report the high-resolution (at 1.76 A) crystal structure of the D/L subcomplex of archaeal RNAP and provide the first experimental evidence of any RNAP possessing an iron-sulphur (Fe-S) cluster, which may play a structural role in a key subunit of RNAP assembly. The striking structural similarity between archaeal RNAP and eukaryotic RNAPII highlights the simpler archaeal RNAP as an ideal model system for dissecting the molecular basis of eukaryotic transcription.
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(as it appears on PubMed at http://www.pubmed.gov), where 18235446 is the PubMed ID number.
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{{ABSTRACT_PUBMED_18235446}}
==About this Structure==
==About this Structure==
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[[Category: Platform for rna polymerase assembly]]
[[Category: Platform for rna polymerase assembly]]
[[Category: Transferase]]
[[Category: Transferase]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Apr 16 23:07:15 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Tue Jul 29 10:15:03 2008''

Revision as of 07:15, 29 July 2008

Image:2pa8.png

Template:STRUCTURE 2pa8

X-Ray Crystal Structure of the D/L Subcomplex of the Sulfolobus Solfataricus RNA polymerase

Template:ABSTRACT PUBMED 18235446

About this Structure

2PA8 is a Protein complex structure of sequences from Sulfolobus solfataricus. Full crystallographic information is available from OCA.

Reference

The X-ray crystal structure of RNA polymerase from Archaea., Hirata A, Klein BJ, Murakami KS, Nature. 2008 Feb 14;451(7180):851-4. Epub 2008 Jan 30. PMID:18235446

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