1sd5

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|GENE= rv1626 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83332 Mycobacterium tuberculosis H37Rv])
|GENE= rv1626 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83332 Mycobacterium tuberculosis H37Rv])
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=pfam03861 ANTAR], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd00156 REC], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG3707 AmiR]</span>
|DOMAIN=<span class='plainlinks'>[http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=pfam03861 ANTAR], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=cd00156 REC], [http://www.ncbi.nlm.nih.gov/Structure/cdd/cddsrv.cgi?uid=COG3707 AmiR]</span>
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1sd5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sd5 OCA], [http://www.ebi.ac.uk/pdbsum/1sd5 PDBsum], [http://www.fli-leibniz.de/cgi-bin/ImgLib.pl?CODE=1kfv JenaLib], [http://www.rcsb.org/pdb/explore.do?structureId=1sd5 RCSB]</span>
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|RELATEDENTRY=[[1s8n|1S8N]]
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|RESOURCES=<span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1sd5 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sd5 OCA], [http://www.ebi.ac.uk/pdbsum/1sd5 PDBsum], [http://www.rcsb.org/pdb/explore.do?structureId=1sd5 RCSB]</span>
}}
}}
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[[Category: two components system]]
[[Category: two components system]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Wed Mar 26 06:04:34 2008''
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Sun Mar 30 23:40:28 2008''

Revision as of 20:40, 30 March 2008

Image:1sd5.gif


PDB ID 1sd5

Drag the structure with the mouse to rotate
, resolution 1.68Å
Ligands:
Gene: rv1626 (Mycobacterium tuberculosis H37Rv)
Domains: ANTAR, REC, AmiR
Related: 1S8N


Resources: FirstGlance, OCA, PDBsum, RCSB
Coordinates: save as pdb, mmCIF, xml



Crystal structure of Rv1626


Overview

We describe the crystal structure of Rv1626 from Mycobacterium tuberculosis at 1.48 A resolution and the corresponding solution structure determined from small angle X-ray scattering. The N-terminal domain shows structural homology to the receiver domains found in bacterial two-component systems. The C-terminal domain has high structural homology to a recently discovered RNA binding domain involved in transcriptional antitermination. The molecule in solution was found to be monomeric as it is in the crystal, but in solution it undergoes a conformational change that is triggered by changes in ionic strength. This is the first structure that links the phosphorylation cascade of the two-component systems with the antitermination event in the transcriptional machinery. Rv1626 belongs to a family of proteins, which we propose calling phosphorylation-dependent transcriptional antitermination regulators, so far only found in bacteria, and includes NasT, a protein from the assimilatory nitrate/nitrite reductase operon of Azetobacter vinelandii.

About this Structure

1SD5 is a Single protein structure of sequence from Mycobacterium tuberculosis h37rv. Full crystallographic information is available from OCA.

Reference

The crystal and solution structure of a putative transcriptional antiterminator from Mycobacterium tuberculosis., Morth JP, Feng V, Perry LJ, Svergun DI, Tucker PA, Structure. 2004 Sep;12(9):1595-605. PMID:15341725

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