2IT0 Transcription Dna date Oct 18, 2006
title Crystal Structure Of A Two-Domain Ider-Dna Complex Crystal Form II
authors G.Wisedchaisri, C.J.Chou, M.Wu, C.Roach, A.E.Rice, R.K.Holmes, C.Beeson, W.G.Hol
compound source
Molecule: Mbtambtb Operator Strand 1
Chain: E
Engineered: Yes
Synthetic: Yes

Molecule: Mbtambtb Operator Strand 2
Chain: F
Engineered: Yes

Synthetic: Yes

Molecule: Iron-Dependent Repressor Ider
Chain: A, B, C, D
Engineered: Yes

Organism_scientific: Mycobacterium Tuberculosis
Organism_taxid: 1773
Gene: Ider,Dtxr
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Paer36
symmetry Space Group: P 1
R_factor 0.226 R_Free 0.273
length a length b length c angle alpha angle beta angle gamma
54.009 70.363 79.569 108.95 103.08 94.84
method X-Ray Diffractionresolution 2.60 Å
ligand ACT, NI enzyme
A, D, C, B

Primary referenceCrystal structures, metal activation, and DNA-binding properties of two-domain IdeR from Mycobacterium tuberculosis., Wisedchaisri G, Chou CJ, Wu M, Roach C, Rice AE, Holmes RK, Beeson C, Hol WG, Biochemistry. 2007 Jan 16;46(2):436-47. PMID:17209554
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (125 Kb) [Save to disk]
  • Biological Unit Coordinates (2it0.pdb1.gz) 118 Kb
  • LPC: Ligand-Protein Contacts for 2IT0
  • CSU: Contacts of Structural Units for 2IT0
  • Likely Quarternary Molecular Structure file(s) for 2IT0
  • Structure Factors (245 Kb)
  • Retrieve 2IT0 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2IT0 from S2C, [Save to disk]
  • Re-refined 2it0 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2IT0 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2IT0
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2IT0, from MSDmotif at EBI
  • Fold representative 2it0 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2it0_C] [2it0_B] [2it0_A] [2it0_D] [2it0_E] [2it0_F] [2it0]
  • SWISS-PROT database: [P0A672]
  • Domain organization of [IDER_MYCTU] by SWISSPFAM
  • Domain found in 2IT0: [HTH_DTXR ] by SMART
  • Other resources with information on 2IT0
  • Community annotation for 2IT0 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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