2IBU Transferase date Sep 12, 2006
title Crystallographic And Kinetic Studies Of Human Mitochondrial Acetoacetyl-Coa Thiolase (T2): The Importance Of Potassium Chloride For Its Structure And Function
authors A.M.Haapalainen, R.K.Wierenga
compound source
Molecule: Acetyl-Coa Acetyltransferase
Chain: A, B, C, D
Synonym: Acetoacetyl-Coa Thiolase, T2
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Tissue: Liver
Gene: Acat1
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (De3) Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet3d
symmetry Space Group: P 1 21 1
R_factor 0.166 R_Free 0.198
length a length b length c angle alpha angle beta angle gamma
75.249 106.569 101.497 90.00 102.90 90.00
method X-Ray Diffractionresolution 1.90 Å
ligand CL, COA, CSO, GOL enzyme Transferase E.C. BRENDA
A, D, C, B

Primary referenceCrystallographic and Kinetic Studies of Human Mitochondrial Acetoacetyl-CoA Thiolase: The Importance of Potassium and Chloride Ions for Its Structure and Function(,)., Haapalainen AM, Merilainen G, Pirila PL, Kondo N, Fukao T, Wierenga RK, Biochemistry. 2007 Apr 10;46(14):4305-21. Epub 2007 Mar 20. PMID:17371050
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (268 Kb) [Save to disk]
  • Biological Unit Coordinates (2ibu.pdb1.gz) 260 Kb
  • LPC: Ligand-Protein Contacts for 2IBU
  • CSU: Contacts of Structural Units for 2IBU
  • Likely Quarternary Molecular Structure file(s) for 2IBU
  • Structure Factors (1128 Kb)
  • Retrieve 2IBU in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2IBU from S2C, [Save to disk]
  • Re-refined 2ibu structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2IBU 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 2IBU
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2IBU, from MSDmotif at EBI
  • Fold representative 2ibu from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2ibu] [2ibu_A] [2ibu_B] [2ibu_C] [2ibu_D]
  • SWISS-PROT database: [P24752]
  • Domain organization of [THIL_HUMAN] by SWISSPFAM
  • Other resources with information on 2IBU
  • Community annotation for 2IBU 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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