1LKL	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-Gly (Pyeeg Peptide)
authors	L.Tong
compound		source
Molecule: Human P56 Tyrosine Kinase Chain: A Fragment: Sh2 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-Gly Chain: B Engineered: Yes
symmetry	Space Group: P 21 21 21	R_factor 0.189 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 81.850 45.150 26.690 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	ACE, PTR	enzyme
related structures	by homologous chain: 1LCJ, 1LKK
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] (24 Kb) [Save to disk] Biological Unit Coordinates (1lkl.pdb1.gz) 21 Kb LPC: Ligand-Protein Contacts for 1LKL CSU: Contacts of Structural Units for 1LKL Likely Quarternary Molecular Structure file(s) for 1LKL Retrieve 1LKL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LKL from S2C, [Save to disk]

View 1LKL 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 1LKL

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1LKL, from MSDmotif at EBI Genome occurence of 1LKL's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lkla_, 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: [1lkl] [1lkl_A] [1lkl_B] SWISS-PROT database: [P06239] Domain organization of [LCK_HUMAN] by SWISSPFAM Domain found in 1LKL: [SH2 ] by SMART

Other resources with information on 1LKL

Community annotation for 1LKL at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1LKL from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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