SMTL ID : 4n1b.1

STRUCTURE OF KEAP1 KELCH DOMAIN WITH(1S,2R)-2-[(1S)-1-[(1-oxo-2,3-dihydro-1H-isoindol-2-Yl)methyl]-1,2,3,4-tetrahydroisoquinoline-2-Carbonyl]cyclohexane-1-carboxylic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.55 Å

Oligo State

homo-trimer

Ligands

3 x 2FS: (1S,2R)-2-{[(1S)-1-[(1-oxo-1,3-dihydro-2H-isoindol-2-yl)methyl]-3,4-dihydroisoquinolin-2(1H)-yl]carbonyl}cyclohexanecarboxylic acid(Non-covalent)

2FS.1: 12 residues within 4Å: Chain A: Y.17, S.46, R.63, N.65, N.97, R.98, G.192, A.239, Y.255, F.260, S.285, G.286 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:Y.17, A:Y.17, A:R.98, A:A.239, A:F.260 Hydrogen bonds: A:N.97, A:S.285 Salt bridges: A:R.63, A:R.98 pi-Stacking: A:Y.255, A:Y.255 pi-Cation interactions: A:R.98 2FS.2: 13 residues within 4Å: Chain B: Y.17, G.47, R.63, N.65, N.97, R.98, G.192, A.239, Y.255, F.260, S.285, G.286 Ligands: ACT.3 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:Y.17, B:Y.17, B:A.239, B:F.260 Hydrogen bonds: B:N.97, B:S.285 Salt bridges: B:R.63, B:R.98 pi-Stacking: B:Y.255, B:Y.255 2FS.4: 15 residues within 4Å: Chain C: Y.17, S.46, G.47, R.63, N.65, N.97, R.98, G.145, G.192, A.239, Y.255, F.260, S.285, G.286 Ligands: ACT.5 12 PLIP interactions: 12 interactions with chain C Hydrophobic interactions: C:Y.17, C:Y.17, C:R.98, C:A.239, C:F.260 Hydrogen bonds: C:S.46, C:N.97, C:R.98, C:S.285 Salt bridges: C:R.63, C:R.98 pi-Stacking: C:Y.255

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.3: 5 residues within 4Å: Chain B: Y.208, Q.213, S.238, Y.255 Ligands: 2FS.2 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:Y.208 Hydrogen bonds: B:Q.213, B:S.238 ACT.5: 5 residues within 4Å: Chain C: Y.208, Q.213, S.238, Y.255 Ligands: 2FS.4 4 PLIP interactions: 4 interactions with chain C Hydrophobic interactions: C:Y.208 Hydrogen bonds: C:Q.213, C:S.238 Water bridges: C:S.191

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Jnoff, E. et al., Binding Mode and Structure-Activity Relationships around Direct Inhibitors of the Nrf2-Keap1 Complex. Chemmedchem (2014)

Release Date

2014-02-19

Peptides

Kelch-like ECH-associated protein 1: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Kelch-like ECH-associated protein 1

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