2o20

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[[Image:2o20.gif|left|200px]]
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{{STRUCTURE_2o20| PDB=2o20 | SCENE= }}
{{STRUCTURE_2o20| PDB=2o20 | SCENE= }}
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'''Crystal structure of transcription regulator CcpA of Lactococcus lactis'''
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===Crystal structure of transcription regulator CcpA of Lactococcus lactis===
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==Overview==
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Catabolite control protein A (CcpA) functions as master transcriptional regulator of carbon catabolism in Firmicutes. It belongs to the family of bacterial repressor/regulator proteins. Here, the crystal structure of the 76 kDa homodimeric CcpA protein from Lactococcus lactis subsp. lactis IL1403 is presented at 1.9 A resolution in the absence of cognate DNA. The phases were derived by molecular replacement and the structure was refined to crystallographic R and R(free) factors of 0.177 and 0.211, respectively. The presence of a sulfate molecule in the direct vicinity of a putative effector-binding site in the monomer allowed the derivation of a model for the possible binding of small organic effector molecules.
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(as it appears on PubMed at http://www.pubmed.gov), where 17372346 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17372346}}
==About this Structure==
==About this Structure==
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[[Category: Helix-turn-helix]]
[[Category: Helix-turn-helix]]
[[Category: Transcriptional regulator]]
[[Category: Transcriptional regulator]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Mon Jul 28 09:09:42 2008''

Revision as of 06:09, 28 July 2008

Image:2o20.png

Template:STRUCTURE 2o20

Crystal structure of transcription regulator CcpA of Lactococcus lactis

Template:ABSTRACT PUBMED 17372346

About this Structure

2O20 is a Single protein structure of sequence from Lactococcus lactis. Full crystallographic information is available from OCA.

Reference

Structure of the transcription regulator CcpA from Lactococcus lactis., Loll B, Kowalczyk M, Alings C, Chieduch A, Bardowski J, Saenger W, Biesiadka J, Acta Crystallogr D Biol Crystallogr. 2007 Apr;63(Pt 4):431-6. Epub 2007, Mar 16. PMID:17372346

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