1bl0
From Proteopedia
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[[Image:1bl0.gif|left|200px]] | [[Image:1bl0.gif|left|200px]] | ||
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'''MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN (MARA)/DNA COMPLEX''' | '''MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN (MARA)/DNA COMPLEX''' | ||
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[[Category: Rhee, R G.]] | [[Category: Rhee, R G.]] | ||
[[Category: Rosner, D R.]] | [[Category: Rosner, D R.]] | ||
- | [[Category: | + | [[Category: A bipartite helix-turn-helix protein]] |
- | [[Category: | + | [[Category: Transcriptional activator]] |
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- | ''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on | + |
Revision as of 08:39, 2 May 2008
MULTIPLE ANTIBIOTIC RESISTANCE PROTEIN (MARA)/DNA COMPLEX
Overview
A crystal structure for a member of the AraC prokaryotic transcriptional activator family, MarA, in complex with its cognate DNA-binding site is described. MarA consists of two similar subdomains, each containing a helix-turn-helix DNA-binding motif. The two recognition helices of the motifs are inserted into adjacent major groove segments on the same face of the DNA but are separated by only 27 A thereby bending the DNA by approximately 35 degrees. Extensive interactions between the recognition helices and the DNA major groove provide the sequence specificity.
About this Structure
1BL0 is a Single protein structure of sequence from Escherichia coli. Full crystallographic information is available from OCA.
Reference
A novel DNA-binding motif in MarA: the first structure for an AraC family transcriptional activator., Rhee S, Martin RG, Rosner JL, Davies DR, Proc Natl Acad Sci U S A. 1998 Sep 1;95(18):10413-8. PMID:9724717 Page seeded by OCA on Fri May 2 11:39:03 2008