2A9Y	Signaling Protein,Transferase	date	Jul 12, 2005
title	Crystal Structure Of T. Gondii Adenosine Kinase Complexed Wi Dimethyladenosine
authors	Y.Zhang, M.H.El Kouni, S.E.Ealick
compound		source
Molecule: Adenosine Kinase Chain: A Synonym: Ak; Adenosine 5'-Phosphotransferase Ec: 2.7.1.20 Engineered: Yes Mutation: Yes		Organism_scientific: Toxoplasma Gondii Organism_taxid: 5811 Gene: Ak Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
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 60.285 61.516 91.828 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.35 Å
ligand	26A, ACT, CL, NA	enzyme	Transferase E.C.2.7.1.20 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Substrate analogs induce an intermediate conformational change in Toxoplasma gondii adenosine kinase., Zhang Y, El Kouni MH, Ealick SE, Acta Crystallogr D Biol Crystallogr. 2007 Feb;63(Pt 2):126-34. Epub 2007, Jan 16. PMID:17242506

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (135 Kb) [Save to disk] Biological Unit Coordinates (2a9y.pdb1.gz) 130 Kb LPC: Ligand-Protein Contacts for 2A9Y CSU: Contacts of Structural Units for 2A9Y Likely Quarternary Molecular Structure file(s) for 2A9Y Structure Factors (541 Kb) Retrieve 2A9Y in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2A9Y from S2C, [Save to disk] Re-refined 2a9y structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 2A9Y

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Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2A9Y, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2a9y] [2a9y_A] SWISS-PROT database: [Q9TVW2] Domain organization of [ADK_TOXGO] by SWISSPFAM

Other resources with information on 2A9Y

Community annotation for 2A9Y at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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