2A3K Signaling Protein date Jun 24, 2005
title Crystal Structure Of The Human Protein Tyrosine Phosphatase, (Heptp, Hematopoietic Protein Tyrosine Phosphatase)
authors A.Barr, A.P.Turnbull, S.Das, J.Eswaran, J.E.Debreczeni, E.Longman N.Burgess, O.Gileadi, M.Sundstrom, C.Arrowsmith, A.Edwards, F.Vo S.Knapp, Structural Genomics Consortium (Sgc)
compound source
Molecule: Protein Tyrosine Phosphatase, Non-Receptor Type 7 1;
Chain: A
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ptpn7
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21 (De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pnic Sgc
symmetry Space Group: P 21 21 21
R_factor 0.219 R_Free 0.275
length a length b length c angle alpha angle beta angle gamma
39.125 80.968 100.392 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.55 Å
ligand PO4 enzyme

Primary referenceThe crystal structure of human receptor protein tyrosine phosphatase kappa phosphatase domain 1., Eswaran J, Debreczeni JE, Longman E, Barr AJ, Knapp S, Protein Sci. 2006 Jun;15(6):1500-5. Epub 2006 May 2. PMID:16672235
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk]
  • Biological Unit Coordinates (2a3k.pdb1.gz) 44 Kb
  • LPC: Ligand-Protein Contacts for 2A3K
  • CSU: Contacts of Structural Units for 2A3K
  • Likely Quarternary Molecular Structure file(s) for 2A3K
  • Structure Factors (89 Kb)
  • Retrieve 2A3K in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2A3K from S2C, [Save to disk]
  • Re-refined 2a3k structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2A3K 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 2A3K
  • 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 2A3K, from MSDmotif at EBI
  • Fold representative 2a3k from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2a3k] [2a3k_A]
  • SWISS-PROT database: [P35236]
  • Domain organization of [PTN7_HUMAN] by SWISSPFAM
  • Domain found in 2A3K: [PTPc ] by SMART
  • Other resources with information on 2A3K
  • Community annotation for 2A3K 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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