1SNU Transferase date Mar 12, 2004
title Crystal Structure Of The Unphosphorylated Interleukin-2 Tyrosine Kinase Catalytic Domain
authors K.Brown, J.M.Long, S.C.Vial, N.Dedi, N.J.Dunster, S.B.Renwick, A.J.Tanner, J.D.Frantz, M.A.Fleming, G.M.T.Cheetham
compound source
Molecule: Tyrosine-Protein Kinase Itktsk
Chain: A, B
Fragment: Catalytic Kinase Domain
Synonym: T-Cell-Specific Kinase, Tyrosine-Protein Kinase Lyk, Kinase Emt;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Itk, Lyk, Emt
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: C 1 2 1
R_factor 0.237 R_Free 0.295
length a length b length c angle alpha angle beta angle gamma
124.400 74.200 78.800 90.00 94.00 90.00
method X-Ray Diffractionresolution 2.50 Å
ligand STU BindingDB enzyme Transferase E.C. BRENDA
related structures by homologous chain: 1SM2
A, B

Primary referenceCrystal structures of interleukin-2 tyrosine kinase and their implications for the design of selective inhibitors., Brown K, Long JM, Vial SC, Dedi N, Dunster NJ, Renwick SB, Tanner AJ, Frantz JD, Fleming MA, Cheetham GM, J Biol Chem. 2004 Apr 30;279(18):18727-32. Epub 2004 Feb 6. PMID:14766749
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (90 Kb) [Save to disk]
  • Biological Unit Coordinates (1snu.pdb1.gz) 44 Kb
  • Biological Unit Coordinates (1snu.pdb2.gz) 43 Kb
  • LPC: Ligand-Protein Contacts for 1SNU
  • CSU: Contacts of Structural Units for 1SNU
  • Likely Quarternary Molecular Structure file(s) for 1SNU
  • Retrieve 1SNU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SNU from S2C, [Save to disk]
  • View 1SNU 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 1SNU
  • 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 1SNU, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1snua_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1snub_, region B [Jmol] [rasmolscript] [script source]
  • Fold representative 1snu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1snu_A] [1snu] [1snu_B]
  • SWISS-PROT database: [Q08881]
  • Domain organization of [ITK_HUMAN] by SWISSPFAM
  • Domain found in 1SNU: [TyrKc ] by SMART
  • Other resources with information on 1SNU
  • Community annotation for 1SNU 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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