SMTL ID : 9m24.1

Crystal Structure of kelch domain of human KEAP1 in complex with CH7450924

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.57 Å

Oligo State

monomer

Ligands

1 x 01: 4-[3-[2-chloro-4-[(2R,5R)-2,4,5-trimethylpiperazin-1-yl]benzoyl]-2,4-dihydro-1,3-benzoxazin-8-yl]-5-fluoro-2-(3-oxa-8-azabicyclo[3.2.1]octan-8-yl)benzoic acid

01.1: 18 residues within 4Å: Chain A: Y.18, G.48, R.99, I.145, G.146, R.167, S.192, G.193, Y.209, Q.214, S.239, A.240, Y.256, F.261, S.286, G.287 Ligands: DMS.16, DMS.17 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:R.99, A:Y.209, A:A.240, A:Y.256, A:F.261 Hydrogen bonds: A:S.192, A:S.192, A:Q.214 Water bridges: A:Y.256, A:Y.256 Salt bridges: A:R.167 pi-Stacking: A:Y.18

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

ACT.2: 5 residues within 4Å: Chain A: T.185, A.186, N.188, T.227, W.228 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.188, A:W.228 ACT.3: 1 residues within 4Å: Chain A: R.143 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.143 ACT.4: 2 residues within 4Å: Chain A: M.183, I.184 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:M.183 Water bridges: A:M.183, A:A.186 ACT.5: 4 residues within 4Å: Chain A: H.116, G.117, C.118, I.119 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:I.119 Hydrogen bonds: A:C.118 ACT.6: 5 residues within 4Å: Chain A: L.155, Y.175, P.176, E.177, R.178 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:L.155 Hydrogen bonds: A:E.177, A:R.178 Water bridges: A:R.154 Salt bridges: A:R.178 ACT.7: 1 residues within 4Å: Chain A: R.178 3 PLIP interactions: 3 interactions with chain A Water bridges: A:E.180, A:E.180 Salt bridges: A:R.178 ACT.8: 6 residues within 4Å: Chain A: I.105, D.106, H.108, Y.110, R.126, P.176 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:I.105, A:P.176 Hydrogen bonds: A:D.106 Water bridges: A:R.126 Salt bridges: A:H.108, A:R.126 ACT.9: 4 residues within 4Å: Chain A: V.95, H.116, I.119, H.121 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:V.95, A:I.119 Salt bridges: A:H.116, A:H.121 ACT.10: 6 residues within 4Å: Chain A: T.72, D.73, S.74, S.75, A.76, P.96 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:T.72 Hydrogen bonds: A:S.75, A:A.76 Water bridges: A:S.75, A:S.75 ACT.11: 2 residues within 4Å: Chain A: E.128, R.131 2 PLIP interactions: 2 interactions with chain A Water bridges: A:H.135 Salt bridges: A:R.131 ACT.15: 4 residues within 4Å: Chain A: C.118, I.119, H.120, R.143 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.120 Water bridges: A:R.143 Salt bridges: A:H.120, A:R.143

5 x DMS: DIMETHYL SULFOXIDE(Non-functional Binders)

DMS.12: 2 residues within 4Å: Chain A: P.82, M.83 No protein-ligand interaction detected (PLIP) DMS.13: 3 residues within 4Å: Chain A: L.57, C.79, N.81 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.81 DMS.14: 6 residues within 4Å: Chain A: R.64, N.71, T.72, D.73, H.116, G.117 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.73 Salt bridges: A:D.73 DMS.16: 1 residues within 4Å: Ligands: 01.1 No protein-ligand interaction detected (PLIP) DMS.17: 4 residues within 4Å: Chain A: R.99, F.162, R.167 Ligands: 01.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:R.99 pi-Cation interactions: A:F.162

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Hoshino, M. et al., CH7450924, a KEAP1-NRF2 interaction inhibitor, ameliorates LPS-induced multiple organ dysfunction via inflammatory pathway inhibition. Sci Rep (2025)

Release Date

2025-10-29

Peptides

Kelch-like ECH-associated protein 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Kelch-like ECH-associated protein 1

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