1HE1 Signaling Protein date Nov 18, 2000
title Crystal Structure Of The Complex Between The Gap Domain Of The Pseudomonas Aeruginosa Exos Toxin And Human Rac
authors M.Wurtele, E.Wolf, K.J.Pederson, G.Buchwald, M.R.Ahmadian, J.T.Barbieri, A.Wittinghofer
compound source
Molecule: Exoenzyme S
Chain: A, B
Fragment: 96-234, Gtpase-Activating Protein (Gap-Domain)
Synonym: Exos
Engineered: Yes
Organism_scientific: Pseudomonas Aeruginosa
Organism_taxid: 287
Gene: Exos
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pgex-2t

Molecule: Ras-Related C3 Botulinum Toxin Substrate 1
Chain: C, D
Fragment: 2-184
Synonym: P21-Rac1, Ras-Like Protein Tc25
Engineered: Yes

Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pgex-2t
symmetry Space Group: P 21 21 21
R_factor 0.175 R_Free 0.224
length a length b length c angle alpha angle beta angle gamma
46.025 125.087 136.284 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.0 Å
ligand AF3, GDP, MG, NI enzyme
related structures by homologous chain: 1GRN, 1HE9, 2NGR
A, B

D, C

Primary referenceHow the Pseudomonas aeruginosa ExoS toxin downregulates Rac., Wurtele M, Wolf E, Pederson KJ, Buchwald G, Ahmadian MR, Barbieri JT, Wittinghofer A, Nat Struct Biol 2001 Jan;8(1):23-6. PMID:11135665
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk]
  • Biological Unit Coordinates (1he1.pdb1.gz) 58 Kb
  • Biological Unit Coordinates (1he1.pdb2.gz) 58 Kb
  • LPC: Ligand-Protein Contacts for 1HE1
  • CSU: Contacts of Structural Units for 1HE1
  • Likely Quarternary Molecular Structure file(s) for 1HE1
  • Structure Factors (406 Kb)
  • Retrieve 1HE1 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1HE1 from S2C, [Save to disk]
  • Re-refined 1he1 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1HE1 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 1HE1
  • 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 1HE1, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1he1a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1he1b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1he1c_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1he1d_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1f1he1, region E:1-100 [Jmol] [rasmolscript] [script source]
        - Domain d1v1he1, region E:319-392 [Jmol] [rasmolscript] [script source]
  • Fold representative 1he1 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: [1he1_A] [1he1] [1he1_D] [1he1_C] [1he1_B]
  • SWISS-PROT database: [Q51451] [P63000]
  • Domain organization of [Q51451_PSEAE] [RAC1_HUMAN] by SWISSPFAM
  • Domain found in 1HE1: [RHO ] by SMART
  • Other resources with information on 1HE1
  • Community annotation for 1HE1 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1HE1 from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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