2QOM Hydrolase date Jul 20, 2007
title The Crystal Structure Of The E.Coli Espp Autotransporter Bet
authors T.J.Barnard, N.Dautin, P.Lukacik, H.D.Bernstein, S.K.Buchanan
compound source
Molecule: Serine Protease Espp
Chain: A, B
Synonym: Extracellular Serine Protease Plasmid-Encoded Espp
Ec: 3.4.21.-
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83334
Strain: O157:H7
Gene: Espp
Expression_system: Escherichia Coli Bl21
Expression_system_taxid: 511693
Expression_system_strain: Bl21
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Ptrc99a
symmetry Space Group: P 1 21 1
R_factor 0.258 R_Free 0.284
crystal
cell
length a length b length c angle alpha angle beta angle gamma
84.951 53.298 102.418 90.00 103.57 90.00
method X-Ray Diffractionresolution 2.66 Å
ligand
enzyme Hydrolase E.C.3.4.21 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceAutotransporter structure reveals intra-barrel cleavage followed by conformational changes., Barnard TJ, Dautin N, Lukacik P, Bernstein HD, Buchanan SK, Nat Struct Mol Biol. 2007 Dec;14(12):1214-20. Epub 2007 Nov 11. PMID:17994105
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (86 Kb) [Save to disk]
  • Biological Unit Coordinates (2qom.pdb1.gz) 40 Kb
  • Biological Unit Coordinates (2qom.pdb2.gz) 41 Kb
  • CSU: Contacts of Structural Units for 2QOM
  • Likely Quarternary Molecular Structure file(s) for 2QOM
  • Structure Factors (134 Kb)
  • Retrieve 2QOM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2QOM from S2C, [Save to disk]
  • Re-refined 2qom structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2QOM 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 2QOM
  • 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 2QOM, from MSDmotif at EBI
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2qom] [2qom_A] [2qom_B]
  • SWISS-PROT database: [Q7BSW5]
  • Belongs to the autotransporter-1 (at-1) family according to TCDB.
  • Domain organization of [ESPP_ECO57] by SWISSPFAM
  • Domain found in 2QOM: [Autotransporter ] by SMART
  • Other resources with information on 2QOM
  • Community annotation for 2QOM at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014,2022
    Bioinformatics Unit
    Weizmann Institute of Science