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 Diffraction	resolution	1.00 Å
ligand	ACE, PTR	enzyme
note	1LKK is a representative structure
related structures	by homologous chain: 1LKL
Primary reference	Crystal 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

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 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] 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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