3ZGC Transcription date Dec 17, 2012
title Crystal Structure Of The Keap1-Neh2 Complex
authors S.Hoerer, D.Reinert, K.Ostmann, Y.Hoevels, H.Nar
compound source
Molecule: Kelch-Like Ech-Associated Protein 1
Chain: A, B
Fragment: Kelch Domain Of Human Keap1, Residues 321-609
Synonym: Cytosolic Inhibitor Of Nrf2, Inrf2, Kelch-Like Pro
Engineered: Yes
Mutation: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Expression_system: Escherichia Coli
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_variant: Plyss
Expression_system_vector_type: Plasmid
Expression_system_vector: Pet15b

Molecule: Nuclear Factor Erythroid 2-Related Factor 2
Chain: C
Fragment: Residues 76-82
Synonym: Nf-E2-Related Factor 2, Nfe2-Related Factor 2, Heb Nuclear Factor, Erythroid Derived 2, Like 2, Neh2-Derived P
Engineered: Yes

Synthetic: Yes
Organism_scientific: Homo Sapiens
Organism_taxid: 9606
symmetry Space Group: P 21 21 21
R_factor 0.172 R_Free 0.188
length a length b length c angle alpha angle beta angle gamma
76.103 76.064 207.541 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand ACT enzyme
A, B

Primary referenceCrystal-contact engineering to obtain a crystal form of the Kelch domain of human Keap1 suitable for ligand-soaking experiments., Horer S, Reinert D, Ostmann K, Hoevels Y, Nar H, Acta Crystallogr Sect F Struct Biol Cryst Commun. 2013 Jun;69(Pt 6):592-6. doi:, 10.1107/S174430911301124X. Epub 2013 May 23. PMID:23722832
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (107 Kb) [Save to disk]
  • Biological Unit Coordinates (3zgc.pdb1.gz) 53 Kb
  • Biological Unit Coordinates (3zgc.pdb2.gz) 51 Kb
  • LPC: Ligand-Protein Contacts for 3ZGC
  • CSU: Contacts of Structural Units for 3ZGC
  • Structure Factors (1172 Kb)
  • Retrieve 3ZGC in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3ZGC from S2C, [Save to disk]
  • Re-refined 3zgc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 3ZGC 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 3ZGC
  • Cartoon representation from PDB Cartoon
  • 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 3ZGC, from MSDmotif at EBI
  • Fold representative 3zgc from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [3zgc_C] [3zgc] [3zgc_A] [3zgc_B]
  • SWISS-PROT database:
  • Domain organization of by SWISSPFAM
  • Domain found in 3ZGC: [Kelch ] by SMART
  • Other resources with information on 3ZGC
  • Community annotation for 3ZGC at PDBWiki (http://pdbwiki.org)

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