1LIK	Transferase	date	Apr 17, 2002
title	Structure Of T. Gondii Adenosine Kinase Bound To Adenosine
authors	M.A.Schumacher, D.M.Scott, I.I.Mathews, S.E.Ealick, D.S.Roos, B.U R.G.Brennan
compound		source
Molecule: Adenosine Kinase Chain: A Ec: 2.7.1.20 Engineered: Yes		Organism_scientific: Toxoplasma Gondii Organism_taxid: 5811 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pbace
symmetry	Space Group: P 21 21 2	R_factor 0.150 R_Free 0.200
crystal cell	length a length b length c angle alpha angle beta angle gamma 168.200 47.010 44.430 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.55 Å
ligand	ADN, CL, SO4	enzyme	Transferase E.C.2.7.1.20 BRENDA
note	1LIK supersedes 1DH0
related structures	by homologous chain: 1LIO, 1TYY
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures of Toxoplasma gondii adenosine kinase reveal a novel catalytic mechanism and prodrug binding., Schumacher MA, Scott DM, Mathews II, Ealick SE, Roos DS, Ullman B, Brennan RG, J Mol Biol 2000 May 19;298(5):875-93. PMID:10801355

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (58 Kb) [Save to disk] Biological Unit Coordinates (1lik.pdb1.gz) 53 Kb LPC: Ligand-Protein Contacts for 1LIK CSU: Contacts of Structural Units for 1LIK Likely Quarternary Molecular Structure file(s) for 1LIK Retrieve 1LIK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1LIK from S2C, [Save to disk]

View 1LIK 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 1LIK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1LIK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1lika_, 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: [1lik_A] [1lik] SWISS-PROT database: [Q9TVW2] Domain organization of [ADK_TOXGO] by SWISSPFAM

Other resources with information on 1LIK

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

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