1X2J: Kelch-like ECH-associated protein 1

Structural basis for the defects of human lung cancer somatic mutations in the repression activity of Keap1 on Nrf2. Determined by X-ray diffraction at 1.6 Å resolution. Released 7 Mar 2006.

Method
X-ray diffraction
Resolution
1.6 Å
Organism
Mus musculus
Chains
1
Atoms
2,612
Mol. weight
35.48 kDa
Released
7 Mar 2006

Explore 1X2J in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1X2J contains 7 α-helices and 42 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 7 helices, 42 β-strands

ElementResiduesLengthSheet
β-strand327-33151
β-strand334-33522
β-strand337-33822
β-strand342-34541
β-strand352-35431
α-helix356-3583
β-strand36313
β-strand366-37054
β-strand373-37754
β-strand380-38343
β-strand386-38943
β-strand393-39754
β-strand402-40544
α-helix407-4093
β-strand41415
β-strand417-42156
β-strand424-42856
β-strand431-43225
β-strand435-43625
β-strand440-44456
β-strand449-45246
α-helix454-4563
β-strand46117
β-strand464-46858
β-strand471-47558
β-strand47817
β-strand48317
β-strand487-49158
α-helix492-4943
β-strand496-50058
α-helix501-5033
β-strand50819
β-strand511-515510
β-strand518-522510
β-strand52519
β-strand53019
β-strand534-538510
β-strand544-546310
α-helix548-5503
β-strand555111
β-strand558-562512
β-strand565-569512
β-strand572111
β-strand577111
β-strand580-585612
β-strand590-596712
β-strand60212
β-strand605-60951
α-helix610-6123

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Kelch-like ECH-associated protein 1Aprotein316Mus musculusQ9Z2X8 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>1X2J_1 Kelch-like ECH-associated protein 1 (chains A)
TLHKPTQAVPCRAPKVGRLIYTAGGYFRQSLSYLEAYNPSNGSWLRLADLQVPRSGLAGC
VVGGLLYAVGGRNNSPDGNTDSSALDCYNPMTNQWSPCASMSVPRNRIGVGVIDGHIYAV
GGSHGCIHHSSVERYEPERDEWHLVAPMLTRRIGVGVAVLNRLLYAVGGFDGTNRLNSAE
CYYPERNEWRMITPMNTIRSGAGVCVLHNCIYAAGGYDGQDQLNSVERYDVETETWTFVA
PMRHHRSALGITVHQGKIYVLGGYDGHTFLDSVECYDPDSDTWSEVTRMTSGRSGVGVAV
TMEPCRKQIDQQNCTC

Primary citation

Structural basis for defects of keap1 activity provoked by its point mutations in lung cancer. Padmanabhan, B., Tong, K.I., Ohta, T. et al. Mol Cell (2006) 21:689-700. DOI 10.1016/j.molcel.2006.01.013 · PubMed

Other PDB entries of the same protein (UniProt Q9Z2X8 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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