1IKA Oxidoreductase(Nad(A)-Choh(D)) date Jun 15, 1993
title Structure Of Isocitrate Dehydrogenase With Alpha-Ketoglutara Angstroms Resolution: Conformational Changes Induced By Decarboxylation Of Isocitrate
authors B.L.Stoddard, D.E.Koshland Junior
compound source
Molecule: Isocitrate Dehydrogenase
Chain: A
Ec: 1.1.1.42
Engineered: Yes
 Organism_scientific: Escherichia Coli
Organism_taxid: 562
symmetry Space Group: P 43 21 2
R_factor 0.185 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
105.100 105.100 150.300 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.70 Å
ligand AKG, CA enzyme Oxidoreductase E.C.1.1.1.42 BRENDA
note 1IKA (Molecule of the Month:pdb129)
related structures by homologous chain: 1CW7, 6ICD
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceStructure of isocitrate dehydrogenase with alpha-ketoglutarate at 2.7-A resolution: conformational changes induced by decarboxylation of isocitrate., Stoddard BL, Koshland DE Jr, Biochemistry 1993 Sep 14;32(36):9317-22. PMID:8369301
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk]
  • Biological Unit Coordinates (1ika.pdb1.gz) 150 Kb
  • LPC: Ligand-Protein Contacts for 1IKA
  • CSU: Contacts of Structural Units for 1IKA
  • Likely Quarternary Molecular Structure file(s) for 1IKA
  • Retrieve 1IKA in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1IKA from S2C, [Save to disk]
    • View 1IKA 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 1IKA
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1IKA, from MSDmotif at EBI
  • Genome occurence of 1IKA's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ika__, region [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: [1ika] [1ika_A]
  • SWISS-PROT database: [P08200]
  • Domain organization of [IDH_ECOLI] by SWISSPFAM
  • Domain found in 1IKA: [Iso_dh ] by SMART
    • Other resources with information on 1IKA
  • Community annotation for 1IKA 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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