1ZLK

Crystal Structure of the Mycobacterium tuberculosis Hypoxic Response Regulator DosR C-terminal Domain-DNA Complex


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.272 
  • R-Value Observed: 0.272 

wwPDB Validation   3D Report Full Report


This is version 1.2 of the entry. See complete history


Literature

Structures of Mycobacterium tuberculosis DosR and DosR-DNA complex involved in gene activation during adaptation to hypoxic latency.

Wisedchaisri, G.Wu, M.Rice, A.E.Roberts, D.M.Sherman, D.R.Hol, W.G.J.

(2005) J Mol Biol 354: 630-641

  • DOI: 10.1016/j.jmb.2005.09.048
  • Primary Citation of Related Structures:  
    1ZLJ, 1ZLK

  • PubMed Abstract: 
  • On encountering low oxygen conditions, DosR activates the transcription of 47 genes, promoting long-term survival of Mycobacterium tuberculosis in a non-replicating state. Here, we report the crystal structures of the DosR C-terminal domain and its complex with a consensus DNA sequence of the hypoxia-induced gene promoter ...

    On encountering low oxygen conditions, DosR activates the transcription of 47 genes, promoting long-term survival of Mycobacterium tuberculosis in a non-replicating state. Here, we report the crystal structures of the DosR C-terminal domain and its complex with a consensus DNA sequence of the hypoxia-induced gene promoter. The DosR C-terminal domain contains four alpha-helices and forms tetramers consisting of two dimers with non-intersecting dyads. In the DNA-bound structure, each DosR C-terminal domain in a dimer places its DNA-binding helix deep into the major groove, causing two bends in the DNA. DosR makes numerous protein-DNA base contacts using only three amino acid residues per subunit: Lys179, Lys182, and Asn183. The DosR tetramer is unique among response regulators with known structures.


    Organizational Affiliation

    Department of Biochemistry, University of Washington, Seattle, WA 98195, USA.



Macromolecules

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 3
MoleculeChainsSequence LengthOrganismDetailsImage
Dormancy Survival RegulatorC [auth A],
D [auth B]
95Mycobacterium tuberculosisMutation(s): 0 
Gene Names: dosRdevRRv3133c
UniProt
Find proteins for P9WMF9 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv))
Explore P9WMF9 
Go to UniProtKB:  P9WMF9
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP9WMF9
Protein Feature View
Expand
  • Reference Sequence
Find similar nucleic acids by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChainsLengthOrganismImage
5'-D(*GP*GP*CP*CP*CP*GP*CP*GP*CP*TP*TP*TP*GP*GP*GP*GP*AP*CP*TP*AP*AP*AP*GP*TP*CP*CP*CP*TP*AP*AP*CP*CP*CP*TP*GP*GP*CP*CP*AP*CP*GP*AP*T)-3'A [auth C]43N/A
Protein Feature View
Expand
  • Reference Sequence
Find similar nucleic acids by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChainsLengthOrganismImage
5'-D(*CP*GP*TP*GP*GP*CP*CP*AP*GP*GP*GP*TP*TP*AP*GP*GP*GP*AP*CP*TP*TP*TP*AP*GP*TP*CP*CP*CP*CP*AP*AP*AP*GP*CP*GP*CP*GP*GP*GP*CP*CP*AP*T)-3'B [auth D]43N/A
Protein Feature View
Expand
  • Reference Sequence
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.10 Å
  • R-Value Free: 0.288 
  • R-Value Work: 0.272 
  • R-Value Observed: 0.272 
  • Space Group: C 1 2 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 142.397α = 90
b = 58.791β = 125.5
c = 82.933γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
SCALEPACKdata scaling
MOLREPphasing

Structure Validation

View Full Validation Report



Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2006-01-31
    Type: Initial release
  • Version 1.1: 2008-04-30
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance