1LKK Complex (Tyrosine Kinase Peptide) date Nov 10, 1995
title Human P56-Lck Tyrosine Kinase Sh2 Domain In Complex With The Phosphotyrosyl Peptide Ac-Ptyr-Glu-Glu-Ile (Pyeei Peptide)
authors L.Tong
compound source
Molecule: Human P56 Tyrosine Kinase
Chain: A
Fragment: Sh2 Domain
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 562

Molecule: Phosphotyrosyl Peptide Ac-Ptyr-Glu-Glu-Ile
Chain: B
Engineered: Yes

symmetry Space Group: P 21 21 21
R_factor
R_Free
crystal
cell
length a length b length c angle alpha angle beta angle gamma
81.840 45.040 26.750 90.00 90.00 90.00
method X-Ray Diffractionresolution 1.00 Å
ligand ACE, PTR enzyme
note 1LKK is a representative structure
related structures by homologous chain: 1LKL
Primary referenceCrystal structures of the human p56lck SH2 domain in complex with two short phosphotyrosyl peptides at 1.0 A and 1.8 A resolution., Tong L, Warren TC, King J, Betageri R, Rose J, Jakes S, J Mol Biol 1996 Mar 1;256(3):601-10. PMID:8604142
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk]
  • Biological Unit Coordinates (1lkk.pdb1.gz) 69 Kb
  • LPC: Ligand-Protein Contacts for 1LKK
  • CSU: Contacts of Structural Units for 1LKK
  • Likely Quarternary Molecular Structure file(s) for 1LKK
  • Retrieve 1LKK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1LKK from S2C, [Save to disk]
  • View 1LKK 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 1LKK
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Conformational Epitope Prediction for 1LKK 1LKKA 1LKKB from the CEP Server.
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1LKK, from MSDmotif at EBI
  • Genome occurence of 1LKK's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1lkka_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1lkk 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: [1lkk_B] [1lkk_A] [1lkk]
  • SWISS-PROT database: [P06239]
  • Domain organization of [LCK_HUMAN] by SWISSPFAM
  • Domain found in 1LKK: [SH2 ] by SMART
  • Other resources with information on 1LKK
  • Community annotation for 1LKK at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Domain movements in 1LKK from the Database of Macromolecular Movements.
  • Images from IMB Jena Image Library of Biological Macromolecules.

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