1XBN Signaling Protein date Aug 30, 2004
title Crystal Structure Of A Bacterial Nitric Oxide Sensor: An Ort Mammalian Soluble Guanylate Cyclase Heme Domain
authors P.Nioche, C.S.Raman
compound source
Molecule: Methyl-Accepting Chemotaxis Protein
Chain: A
Engineered: Yes
 Organism_scientific: Thermoanaerobacter Tengcongensis Mb4
Organism_taxid: 273068
Strain: Mb4t
Gene: Tar4
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet24d
symmetry Space Group: P 42 3 2
R_factor 0.263 R_Free 0.291
crystal
cell
length a length b length c angle alpha angle beta angle gamma
120.607 120.607 120.607 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand HEM, OXY enzyme
related structures by homologous chain: 1U4H
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceFemtomolar sensitivity of a NO sensor from Clostridium botulinum., Nioche P, Berka V, Vipond J, Minton N, Tsai AL, Raman CS, Science 2004 Nov 26;306(5701):1550-3. Epub 2004 Oct 07. PMID:15472039
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk]
  • Biological Unit Coordinates (1xbn.pdb1.gz) 34 Kb
  • LPC: Ligand-Protein Contacts for 1XBN
  • CSU: Contacts of Structural Units for 1XBN
  • Likely Quarternary Molecular Structure file(s) for 1XBN
  • Structure Factors (84 Kb)
  • Retrieve 1XBN in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XBN from S2C, [Save to disk]
  • Re-refined 1xbn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1XBN 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 1XBN
  • 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
  • 3D motif for 1XBN, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xbna_, region A [Jmol] [rasmolscript] [script source]
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1xbn_A] [1xbn]
  • SWISS-PROT database: [Q8RBX6]
  • Domain organization of [Q8RBX6_THETN] by SWISSPFAM
    • Other resources with information on 1XBN
  • Community annotation for 1XBN 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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