2zb9

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{{STRUCTURE_2zb9| PDB=2zb9 | SCENE= }}
{{STRUCTURE_2zb9| PDB=2zb9 | SCENE= }}
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'''Crystal structure of TetR family transcription regulator SCO0332'''
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===Crystal structure of TetR family transcription regulator SCO0332===
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==Overview==
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SCO0332 protein is a putative TetR-family transcriptional regulator from Streptomyces coelicolor A3(2). The crystal structure of SCO0332 was determined at 2.25 A resolution by single-wavelength anomalous diffraction (SAD) phasing using the S atoms of the native protein. SCO0332 contains a helix-turn-helix (HTH) DNA-binding motif in its N-terminal region and forms a homodimer. The overall structure of SCO0332 shows significant similarity to other TetR-family regulators. A systematic evolution of ligands by exponential enrichment (SELEX) analysis indicated that SCO0332 has sequence-specific DNA-binding ability and determined the position of the operator element of SCO0332 on the chromosomal DNA of S. coelicolor. An electrophoretic mobility-shift assay (EMSA) showed that SCO0332 binds to the operator sequence upstream of the sco0330 gene, which encodes a putative short-chain oxidoreductase. These results suggest that SCO0332 is a transcriptional repressor that regulates sco0330 gene expression.
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(as it appears on PubMed at http://www.pubmed.gov), where 18219120 is the PubMed ID number.
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{{ABSTRACT_PUBMED_18219120}}
==About this Structure==
==About this Structure==
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[[Category: Transcription regulation]]
[[Category: Transcription regulation]]
[[Category: Transcription regulator]]
[[Category: Transcription regulator]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun May 4 20:06:27 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 20:30:30 2008''

Revision as of 17:30, 28 July 2008

Image:2zb9.png

Template:STRUCTURE 2zb9

Crystal structure of TetR family transcription regulator SCO0332

Template:ABSTRACT PUBMED 18219120

About this Structure

2ZB9 is a Single protein structure of sequence from Streptomyces coelicolor. Full crystallographic information is available from OCA.

Reference

Structural and functional analysis of the TetR-family transcriptional regulator SCO0332 from Streptomyces coelicolor., Okada U, Kondo K, Hayashi T, Watanabe N, Yao M, Tamura T, Tanaka I, Acta Crystallogr D Biol Crystallogr. 2008 Feb;64(Pt 2):198-205. Epub 2008, Jan 16. PMID:18219120

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