6ZF6: Keap1 kelch domain

Keap1 kelch domain bound to a small molecule inhibitor of the Keap1-Nrf2 protein-protein interaction. Determined by X-ray diffraction at 1.38 Å resolution. Released 14 Apr 2021.

Method
X-ray diffraction
Resolution
1.38 Å
Organism
Mus musculus
Chains
1
Atoms
2,545
Mol. weight
35.38 kDa
Ligands
QH2
Released
14 Apr 2021

Explore 6ZF6 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

6ZF6 contains 6 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: 6 helices, 42 β-strands

ElementResiduesLengthSheet
β-strand326-33161
β-strand334-33522
β-strand337-33822
β-strand342-34541
β-strand352-35541
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-strand543-547510
α-helix548-5503
β-strand555111
β-strand558-562512
β-strand565-569512
β-strand572111
β-strand577111
β-strand580-585612
β-strand590-596712
β-strand60212
β-strand605-61061

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Kelch-like ECH-associated protein 1Aprotein304Mus musculusQ9Z2X8 (AlphaFold model)
Sequence of entity 1 (A), FASTA
>6ZF6_1 Kelch-like ECH-associated protein 1 (chains A)
GPKVGRLIYTAGGYFRQSLSYLEAYNPSNGSWLRLADLQVPRSGLAGCVVGGLLYAVGGR
NNSPDGNTDSSALDCYNPMTNQWSPCASMSVPRNRIGVGVIDGHIYAVGGSHGCIHHSSV
ERYEPERDEWHLVAPMLTRRIGVGVAVLNRLLYAVGGFDGTNRLNSAECYYPERNEWRMI
TPMNTIRSGAGVCVLHNCIYAAGGYDGQDQLNSVERYDVETETWTFVAPMRHHRSALGIT
VHQGKIYVLGGYDGHTFLDSVECYDPDSDTWSEVTRMTSGRSGVGVAVTMEPCRKQIDQQ
NCTC

Ligands and cofactors

IDNameFormulaCopies
QH21-[3-[2-hydroxy-2-oxoethyl(phenylsulfonyl)amino]phenyl]-5-[(1~{S},2~{S})-2-phen…C27 H23 N3 O6 S1

Water and common crystallization additives (SO4, DMS) are not listed.

Primary citation

Deconstructing Noncovalent Kelch-like ECH-Associated Protein 1 (Keap1) Inhibitors into Fragments to Reconstruct New Potent Compounds. Pallesen, J.S., Narayanan, D., Tran, K.T. et al. J Med Chem (2021) 64:4623-4661. DOI 10.1021/acs.jmedchem.0c02094 · PubMed

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

Browse structure collections

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