4U72 Oxidoreductase date Jul 30, 2014
title Crystal Structure Of 4-Phenylimidazole Bound Form Of Human I 2,3-Dioxygenase (A260g Mutant)
authors H.Sugimoto, M.Horitani, E.Kometani, Y.Shiro
compound source
Molecule: Indoleamine 2,3-Dioxygenase 1
Chain: A, B
Fragment: Indoleamine 2,3-Dioxygenase
Synonym: Ido-1,Indoleamine-Pyrrole 2,3-Dioxygenase
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Ido1, Ido, Indo
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3) Codonplus Ril
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet-15b
symmetry Space Group: P 21 21 21
R_factor 0.186 R_Free 0.231
length a length b length c angle alpha angle beta angle gamma
85.971 98.890 131.582 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.00 Å
ligand HEM, NHE, PIM enzyme Oxidoreductase E.C. BRENDA
A, B
  • electron transfer activity

  • Primary referenceCrystal structure of human indoleamine 2,3-dioxygenase: catalytic mechanism of O2 incorporation by a heme-containing dioxygenase., Sugimoto H, Oda S, Otsuki T, Hino T, Yoshida T, Shiro Y, Proc Natl Acad Sci U S A. 2006 Feb 21;103(8):2611-6. Epub 2006 Feb 13. PMID:16477023
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (138 Kb) [Save to disk]
  • Biological Unit Coordinates (4u72.pdb1.gz) 68 Kb
  • Biological Unit Coordinates (4u72.pdb2.gz) 67 Kb
  • LPC: Ligand-Protein Contacts for 4U72
  • CSU: Contacts of Structural Units for 4U72
  • Structure Factors (1384 Kb)
  • Retrieve 4U72 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4U72 from S2C, [Save to disk]
  • Re-refined 4u72 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
  • Fold representative 4u72 from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4u72] [4u72_B] [4u72_A]
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