1csq

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{{STRUCTURE_1csq| PDB=1csq | SCENE= }}
{{STRUCTURE_1csq| PDB=1csq | SCENE= }}
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'''CRYSTAL STRUCTURE OF THE BACILLUS SUBTILIS MAJOR COLD SHOCK PROTEIN, CSPB: A UNIVERSAL NUCLEIC-ACID BINDING DOMAIN'''
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===CRYSTAL STRUCTURE OF THE BACILLUS SUBTILIS MAJOR COLD SHOCK PROTEIN, CSPB: A UNIVERSAL NUCLEIC-ACID BINDING DOMAIN===
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==Overview==
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The cold-shock response in both Escherichia coli and Bacillus subtilis is induced by an abrupt downshift in growth temperature. It leads to the increased production of the major cold-shock proteins, CS7.4 and CspB, respectively. CS7.4 is a transcriptional activator of two genes. CS7.4 and CspB share 43 per cent sequence identity with the nucleic acid-binding domain of the eukaryotic gene-regulatory Y-box factors. This cold-shock domain is conserved from bacteria to man and contains the RNA-binding RNP1 sequence motif. As a prototype of the cold-shock domain, the structure of CspB has been determined here from two crystal forms. In both, CspB is present as an antiparallel five-stranded beta-barrel. Three consecutive beta-strands, the central one containing the RNP1 motif, create a surface rich in aromatic and basic residues that are presumably involved in nucleic acid binding. Preferential binding of CspB to single-stranded DNA is observed in gel retardation experiments.
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{{ABSTRACT_PUBMED_8321288}}
==About this Structure==
==About this Structure==
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[[Category: Schindelin, H.]]
[[Category: Schindelin, H.]]
[[Category: Transcription regulation]]
[[Category: Transcription regulation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jun 30 21:18:14 2008''

Revision as of 18:18, 30 June 2008

Image:1csq.png

Template:STRUCTURE 1csq

CRYSTAL STRUCTURE OF THE BACILLUS SUBTILIS MAJOR COLD SHOCK PROTEIN, CSPB: A UNIVERSAL NUCLEIC-ACID BINDING DOMAIN

Template:ABSTRACT PUBMED 8321288

About this Structure

1CSQ is a Single protein structure of sequence from Bacillus subtilis. Full crystallographic information is available from OCA.

Reference

Universal nucleic acid-binding domain revealed by crystal structure of the B. subtilis major cold-shock protein., Schindelin H, Marahiel MA, Heinemann U, Nature. 1993 Jul 8;364(6433):164-8. PMID:8321288

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