2K42 Signaling Protein date May 27, 2008
title Solution Structure Of The Gtpase Binding Domain Of Wasp In Complex With Espfu, An Ehec Effector
authors H.C.Cheng, B.M.Skehan, K.G.Campellone, J.M.Leong, M.K.Rosen
compound source
Molecule: Wiskott-Aldrich Syndrome Protein
Chain: A
Fragment: Crib Domain, Unp Residues 242-310
Synonym: Wasp
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Was, Imd2
Expression_system: Escherichia Coli
Expression_system_strain: Bl21 (De3)
Expression_system_vector: Pgex

Molecule: Espfu
Chain: B
Fragment: Unp Residues 268-300
Synonym: Tir-Cytoskeleton Coupling Protein
Engineered: Yes

Organism_scientific: Escherichia Coli O157:H7
Organism_taxid: 83334
Gene: Tccp, Ecs2715
Expression_system: Escherichia Coli
Expression_system_strain: Bl21 (De3)
Expression_system_vector: Pgex
methodSolution NMR
note 2K42 is a representative structure
Primary referenceStructural mechanism of WASP activation by the enterohaemorrhagic E. coli effector EspF(U)., Cheng HC, Skehan BM, Campellone KG, Leong JM, Rosen MK, Nature. 2008 Aug 21;454(7207):1009-13. Epub 2008 Jul 23. PMID:18650809
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (562 Kb) [Save to disk]
  • CSU: Contacts of Structural Units for 2K42
  • Original NMR restraints for 2K42 from PDB
  • Retrieve 2K42 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2K42 from S2C, [Save to disk]
  • View 2K42 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 2K42
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2K42, from MSDmotif at EBI
  • Fold representative 2k42 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2k42_B] [2k42_A] [2k42]
  • SWISS-PROT database: [Q8X2D5] [P42768]
  • Domain organization of [Q8X2D5_ECO57] [WASP_HUMAN] by SWISSPFAM
  • Alignments of the sequence of 2K42 with the sequences similar proteins can be viewed for 2K42's classification [Q8X2D5_ECO57] [WASP_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list.
  • A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [Q8X2D5_ECO57] [WASP_HUMAN] at ProtoMap. Click on the Cluster number.
  • Other resources with information on 2K42
  • Community annotation for 2K42 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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