1ZGK Protein Binding date Apr 21, 2005
title 1.35 Angstrom Structure Of The Kelch Domain Of Keap1
authors X.Li, C.A.Bottoms, M.Hannink, L.J.Beamer
compound source
Molecule: Kelch-Like Ech-Associated Protein 1
Chain: A
Fragment: Kelch Domain
Synonym: Cytosolic Inhibitor Of Nrf2
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Keap1, Kiaa0132
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet15b
symmetry Space Group: P 65 2 2
R_factor 0.111 R_Free 0.133
length a length b length c angle alpha angle beta angle gamma
85.745 85.745 147.818 90.00 90.00 120.00
method X-Ray Diffractionresolution 1.35 Å
ligand MSE enzyme
note 1ZGK is a representative structure

Primary referenceConserved solvent and side-chain interactions in the 1.35 Angstrom structure of the Kelch domain of Keap1., Beamer LJ, Li X, Bottoms CA, Hannink M, Acta Crystallogr D Biol Crystallogr. 2005 Oct;61(Pt 10):1335-42. Epub 2005, Sep 28. PMID:16204884
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (111 Kb) [Save to disk]
  • Biological Unit Coordinates (1zgk.pdb1.gz) 106 Kb
  • LPC: Ligand-Protein Contacts for 1ZGK
  • CSU: Contacts of Structural Units for 1ZGK
  • Likely Quarternary Molecular Structure file(s) for 1ZGK
  • Retrieve 1ZGK in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ZGK from S2C, [Save to disk]
  • View 1ZGK 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 1ZGK
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1ZGK, from MSDmotif at EBI
  • Fold representative 1zgk from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1zgk] [1zgk_A]
  • SWISS-PROT database: [Q14145]
  • Domain organization of [KEAP1_HUMAN] by SWISSPFAM
  • Domain found in 1ZGK: [Kelch ] by SMART
  • Other resources with information on 1ZGK
  • Community annotation for 1ZGK at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

  • You may enter another PDB ID code
    Go [Back], to the [PDB Lite page], to the [OCA Search page] or to the [PDB Home page]
    OCA© by Jaime Prilusky, 1996-2014
    Bioinformatics Unit
    Weizmann Institute of Science