1EMV Immune System date Mar 20, 2000
title Crystal Structure Of Colicin E9 Dnase Domain With Its Cognate Immunity Protein Im9 (1.7 Angstroms)
authors U.C.Kuhlmann, A.J.Pommer, G.M.Moore, R.James, C.Kleanthous
compound source
Molecule: Immunity Protein Im9
Chain: A
Synonym: Imme9, Microcin E9 Immunity Protein
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptrc 99a (Prj352)

Molecule: Colicin E9
Chain: B
Fragment: C-Terminal Domain, Dnase Domain
Ec: 3.1.21.1
Engineered: Yes

Organism_scientific: Escherichia Coli
Organism_taxid: 562
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptrc 99a (Prj352)
symmetry Space Group: P 21 21 21
R_factor 0.219 R_Free 0.260
crystal
cell
length a length b length c angle alpha angle beta angle gamma
43.870 52.560 87.770 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.70 Å
ligand PO4 enzyme Hydrolase E.C.3.1.21.1 BRENDA
related structures by homologous chain: 1BXI, 1FR2, 1FSJ
Gene
Ontology
ChainFunctionProcessComponent
A


B


Primary referenceSpecificity in protein-protein interactions: the structural basis for dual recognition in endonuclease colicin-immunity protein complexes., Kuhlmann UC, Pommer AJ, Moore GR, James R, Kleanthous C, J Mol Biol 2000 Sep 1;301(5):1163-78. PMID:10966813
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk]
  • Biological Unit Coordinates (1emv.pdb1.gz) 38 Kb
  • LPC: Ligand-Protein Contacts for 1EMV
  • CSU: Contacts of Structural Units for 1EMV
  • Likely Quarternary Molecular Structure file(s) for 1EMV
  • Structure Factors (138 Kb)
  • Retrieve 1EMV in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1EMV from S2C, [Save to disk]
  • Re-refined 1emv structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1EMV 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 1EMV
  • 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 1EMV, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1emva_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1emvb_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1emv from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1emv] [1emv_B] [1emv_A]
  • 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 1EMV: [HNHc ] by SMART
  • Other resources with information on 1EMV
  • Community annotation for 1EMV 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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