SMTL ID : 4l7c.1

Structure of keap1 kelch domain with 2-{[(1S)-2-{[(1R,2S)-2-(1H-tetrazol-5-yl)cyclohexyl]carbonyl}-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}-1H-isoindole-1,3(2H)-dione

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-trimer

Ligands

3 x 1VW: 2-{[(1S)-2-{[(1R,2S)-2-(1H-tetrazol-5-yl)cyclohexyl]carbonyl}-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl}-1H-isoindole-1,3(2H)-dione(Non-covalent)

1VW.1: 13 residues within 4Å: Chain A: 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.2 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:Y.17, A:Y.17, A:R.98, A:A.239, A:F.260 Hydrogen bonds: A:R.63, A:N.65, A:N.97, A:S.285 Water bridges: A:N.97 pi-Stacking: A:Y.255 1VW.3: 14 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.4, ACT.5 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:Y.17, B:Y.17, B:R.98, B:A.239, B:F.260 Hydrogen bonds: B:N.65, B:S.285 Water bridges: B:N.97, B:N.97 pi-Stacking: B:Y.255 1VW.6: 12 residues within 4Å: Chain C: Y.17, R.63, N.65, N.97, R.98, G.192, A.239, Y.255, F.260, S.285, G.286 Ligands: ACT.7 11 PLIP interactions: 11 interactions with chain C Hydrophobic interactions: C:Y.17, C:Y.17, C:R.98, C:A.239, C:F.260 Hydrogen bonds: C:R.63, C:N.65, C:S.285 Water bridges: C:N.97, C:N.97 pi-Stacking: C:Y.255

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

ACT.2: 4 residues within 4Å: Chain A: Y.208, Q.213, S.238 Ligands: 1VW.1 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Y.208 Hydrogen bonds: A:Q.213, A:S.238 ACT.4: 4 residues within 4Å: Chain B: Y.208, Q.213, S.238 Ligands: 1VW.3 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:Y.208 Hydrogen bonds: B:Q.213, B:S.238 ACT.5: 4 residues within 4Å: Chain B: F.161, R.166, S.191 Ligands: 1VW.3 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:S.191 Salt bridges: B:R.166 ACT.7: 6 residues within 4Å: Chain C: Y.208, Q.213, S.238, Y.255 Ligands: 1VW.6, ACT.8 3 PLIP interactions: 3 interactions with chain C Hydrophobic interactions: C:Y.208 Hydrogen bonds: C:Q.213, C:S.238 ACT.8: 4 residues within 4Å: Chain C: F.161, R.166, S.191 Ligands: ACT.7 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:S.191, C:S.191 Water bridges: C:R.98 Salt bridges: C:R.166

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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