4PK5 Oxidoreductase Oxidoreductase Inhibitor date May 13, 2014
title Crystal Structure Of The Indoleamine 2,3-Dioxygenagse 1 (Ido Complexed With Amg-1
authors T.Kohno, S.Tojo, T.Ishii
compound source
Molecule: Indoleamine 2,3-Dioxygenase 1
Chain: A, B
Synonym: Ido-1,Indoleamine-Pyrrole 2,3-Dioxygenase
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ido1, Ido, Indo
Expression_system: Escherichia Coli
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 0.185 R_Free 0.256
length a length b length c angle alpha angle beta angle gamma
84.799 90.414 131.757 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.79 Å
ligand HEM, PKJ enzyme Oxidoreductase E.C. BRENDA
A, B
  • electron transfer activity

  • Primary referenceCrystal Structures and Structure-Activity Relationships of Imidazothiazole Derivatives as IDO1 Inhibitors., Tojo S, Kohno T, Tanaka T, Kamioka S, Ota Y, Ishii T, Kamimoto K, Asano S, Isobe Y, ACS Med Chem Lett. 2014 Aug 21;5(10):1119-23. doi: 10.1021/ml500247w. eCollection, 2014 Oct 9. PMID:25313323
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (130 Kb) [Save to disk]
  • Biological Unit Coordinates (4pk5.pdb1.gz) 124 Kb
  • LPC: Ligand-Protein Contacts for 4PK5
  • CSU: Contacts of Structural Units for 4PK5
  • Structure Factors (398 Kb)
  • Retrieve 4PK5 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4PK5 from S2C, [Save to disk]
  • Re-refined 4pk5 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
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  • 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 4PK5, from MSDmotif at EBI
  • Fold representative 4pk5 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4pk5_A] [4pk5_B] [4pk5]
  • SWISS-PROT database:
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  • Other resources with information on 4PK5
  • Community annotation for 4PK5 at PDBWiki (http://pdbwiki.org)

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