1BXI Immune System date Oct 04, 1998
title Crystal Structure Of The Escherichia Coli Colicin E9 Dnase D Its Cognate Immunity Protein Im9
authors U.C.Kuhlmann, C.Kleanthous, R.James, G.R.Moore, A.M.Hemmings
compound source
Molecule: Protein (Colicin E9 Immunity Protein)
Chain: A
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: E9imm
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Jm83
Expression_system_plasmid: Prj345

Molecule: Protein (Colicin E9)
Chain: B
Fragment: Dnase Domain, Residues 450-581
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Gene: Cole9
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)
Expression_system_variant: B834 (De3)
Expression_system_plasmid: Prj353
Expression_system_gene: Cole9
symmetry Space Group: P 21 21 21
R_factor 0.218 R_Free 0.315
crystal
cell
length a length b length c angle alpha angle beta angle gamma
43.850 51.960 87.590 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.05 Å
ligand MSE, NI, PO4 enzyme
related structures by homologous chain: 1E0H, 1EMV, 1M08, 1V13, 1V15
Gene
Ontology
ChainFunctionProcessComponent
A


B


Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (41 Kb) [Save to disk]
  • Biological Unit Coordinates (1bxi.pdb1.gz) 36 Kb
  • LPC: Ligand-Protein Contacts for 1BXI
  • CSU: Contacts of Structural Units for 1BXI
  • Likely Quarternary Molecular Structure file(s) for 1BXI
  • Structure Factors (176 Kb)
  • Retrieve 1BXI in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1BXI from S2C, [Save to disk]
  • Re-refined 1bxi structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1BXI 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 1BXI
  • 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 1BXI, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1bxia_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1bxib_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1bxi_B] [1bxi_A] [1bxi]
  • SWISS-PROT database: [P09883] [P13479]
  • Belongs to the channel-forming colicin (colicin) family according to TCDB.
  • Domain organization of [CEA9_ECOLX] [IMM9_ECOLX] by SWISSPFAM
  • Domain found in 1BXI: [HNHc ] by SMART
  • Other resources with information on 1BXI
  • Community annotation for 1BXI 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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