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
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
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 Diffractionresolution 1.35 Å
ligand 26A, ACT, CL, NA enzyme Transferase E.C. BRENDA

Primary referenceSubstrate 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
  • View 2A9Y 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 2A9Y
  • Ramachandran plot from PDBSum
  • 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)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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