1QJG Isomerase date Jun 24, 1999
title Crystal Structure Of Delta5-3-Ketosteroid Isomerase From Pse Testosteroni In Complex With Equilenin
authors H.S.Cho, B.H.Oh
compound source
Molecule: Ketosteroid Isomerase
Chain: A, B, C, D, E, F
Engineered: Yes
Mutation: Yes
Other_details: Equilenin, So4
 Organism_scientific: Pseudomonas Testosteroni
Organism_taxid: 285
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
symmetry Space Group: P 1 21 1
R_factor 0.205 R_Free 0.271
crystal
cell
length a length b length c angle alpha angle beta angle gamma
73.900 72.500 80.800 90.00 104.30 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand EQU, SO4 enzyme
related structures by homologous chain: 1OGZ, 8CHO
Gene
Ontology
ChainFunctionProcessComponent
F, A, D, C, E, B


Primary referenceCrystal structure of delta(5)-3-ketosteroid isomerase from Pseudomonas testosteroni in complex with equilenin settles the correct hydrogen bonding scheme for transition state stabilization., Cho HS, Ha NC, Choi G, Kim HJ, Lee D, Oh KS, Kim KS, Lee W, Choi KY, Oh BH, J Biol Chem. 1999 Nov 12;274(46):32863-8. PMID:10551849
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (152 Kb) [Save to disk]
  • Biological Unit Coordinates (1qjg.pdb1.gz) 51 Kb
  • Biological Unit Coordinates (1qjg.pdb2.gz) 52 Kb
  • Biological Unit Coordinates (1qjg.pdb3.gz) 51 Kb
  • LPC: Ligand-Protein Contacts for 1QJG
  • CSU: Contacts of Structural Units for 1QJG
  • Likely Quarternary Molecular Structure file(s) for 1QJG
  • Retrieve 1QJG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1QJG from S2C, [Save to disk]
    • View 1QJG 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 1QJG
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1QJG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1qjga_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1qjgb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1qjgc_, region C [Jmol] [rasmolscript] [script source]
        - Domain d1qjgd_, region D [Jmol] [rasmolscript] [script source]
        - Domain d1qjge_, region E [Jmol] [rasmolscript] [script source]
        - Domain d1qjgf_, region F [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: [1qjg_B] [1qjg_F] [1qjg_C] [1qjg] [1qjg_A] [1qjg_E] [1qjg_D]
  • SWISS-PROT database: [P00947]
  • Domain organization of [SDIS_COMTE] by SWISSPFAM
    • Other resources with information on 1QJG
  • Community annotation for 1QJG 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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