4EWD Oxidoreductase date Apr 26, 2012
title Study On Structure And Function Relationships In Human Pirin Ion
authors F.Liu, I.Rehmani, L.Chen, R.Fu, V.Serrano, D.W.Wilson, A.Liu
compound source
Molecule: Pirin
Chain: A
Synonym: Probable Quercetin 2,3-Dioxygenase Pir, Probable Quercetinase;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Human, Pir
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21 (Dh5 Alpha)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet 27a
symmetry Space Group: P 21 21 21
R_factor 0.204 R_Free 0.234
length a length b length c angle alpha angle beta angle gamma
42.332 67.074 107.747 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.15 Å
ligand MN enzyme Oxidoreductase E.C. BRENDA
  • transcription cofactor activ...

  • Primary referencePirin is an iron-dependent redox regulator of NF-kappaB., Liu F, Rehmani I, Esaki S, Fu R, Chen L, de Serrano V, Liu A, Proc Natl Acad Sci U S A. 2013 Jun 11;110(24):9722-7. doi:, 10.1073/pnas.1221743110. Epub 2013 May 28. PMID:23716661
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (53 Kb) [Save to disk]
  • Biological Unit Coordinates (4ewd.pdb1.gz) 49 Kb
  • LPC: Ligand-Protein Contacts for 4EWD
  • CSU: Contacts of Structural Units for 4EWD
  • Structure Factors (240 Kb)
  • Retrieve 4EWD in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 4EWD from S2C, [Save to disk]
  • Re-refined 4ewd structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 4EWD in 3D
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  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
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  • Visual 3D analysis of 4EWD
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  • 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 4EWD, from MSDmotif at EBI
  • Fold representative 4ewd from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [4ewd_A] [4ewd]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Other resources with information on 4EWD
  • Community annotation for 4EWD at PDBWiki (http://pdbwiki.org)

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