SMTL ID : 6fmp.1

Keap1 - peptide complex

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.92 Å

Oligo State

homo-dimer

Ligands

1 x ACE- ASP- GLU- GLU- THR- GLY- GLU- PHE: ACY-ASP-GLU-GLU-THR-GLY-GLU-PHE(Non-covalent)

ACE-ASP-GLU-GLU-THR-GLY-GLU-PHE.1: 25 residues within 4Å: Chain A: Y.139, R.141, R.185, N.187, S.188, G.191, N.192 Chain B: Y.139, S.168, R.185, N.187, R.220, R.288, S.313, G.314, Y.330, Q.333, Q.335, S.360, A.361, Y.377, F.382, S.407 Ligands: CL.11, NA.21 17 PLIP interactions: 13 interactions with chain B, 4 interactions with chain A Hydrophobic interactions: B:Y.139, B:Y.330, B:Y.330, A:N.187 Hydrogen bonds: B:Y.139, B:S.168, B:N.187, B:Y.330, B:Y.330, B:Q.335, B:S.407, A:N.192, A:N.192 Salt bridges: B:R.185, B:R.220, B:R.288, A:R.185

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

ACT.2: 3 residues within 4Å: Chain A: H.237, I.240, H.242 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:H.237, A:H.242 ACT.3: 4 residues within 4Å: Chain A: C.239, I.240, H.241, R.264 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:H.241 Salt bridges: A:H.241, A:R.264 ACT.4: 5 residues within 4Å: Chain A: L.276, Y.296, P.297, E.298, R.299 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Y.296 Hydrogen bonds: A:E.298, A:R.299 ACT.5: 2 residues within 4Å: Chain A: Y.278, Y.342 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.278 ACT.6: 3 residues within 4Å: Chain A: D.194, S.195, S.196 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.196, A:S.196 ACT.7: 5 residues within 4Å: Chain A: Q.164, D.199, W.208, S.209, P.210 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:Q.164, A:W.208 Hydrogen bonds: A:Q.164 ACT.13: 4 residues within 4Å: Chain B: T.286, N.287, R.288, I.311 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:N.287 Hydrogen bonds: B:R.288 Salt bridges: B:R.288 ACT.14: 5 residues within 4Å: Chain B: L.276, Y.296, P.297, E.298, R.299 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:E.298 Hydrogen bonds: B:E.298, B:R.299 Salt bridges: B:R.299 ACT.15: 4 residues within 4Å: Chain B: E.148, R.159, T.403 Ligands: ACT.16 1 PLIP interactions: 1 interactions with chain B Salt bridges: B:R.159 ACT.16: 3 residues within 4Å: Chain B: Y.146, R.159 Ligands: ACT.15 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:Y.146 Salt bridges: B:R.159

6 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.8: 4 residues within 4Å: Chain A: L.144, S.145, Y.146, P.166 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.145 EDO.9: 6 residues within 4Å: Chain A: S.168, G.169, R.220, A.361, S.407 Chain B: P.189 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.407, A:S.407 EDO.10: 2 residues within 4Å: Chain A: A.161, D.162 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.159, A:R.159, A:D.162 EDO.17: 6 residues within 4Å: Chain B: G.222, V.223, G.269, V.270, A.315, V.317 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:V.223, B:V.223, B:A.315, B:V.317 EDO.18: 4 residues within 4Å: Chain B: C.239, I.240, H.241, R.264 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:H.241, B:H.241 EDO.19: 3 residues within 4Å: Chain B: V.165, N.186, T.193 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:N.186, B:T.193 Water bridges: B:D.194

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.11: 3 residues within 4Å: Chain B: R.185, N.219 Ligands: ACE-ASP-GLU-GLU-THR-GLY-GLU-PHE.1 Ligand excluded by PLIP CL.12: 3 residues within 4Å: Chain B: V.216, H.237, H.242 Ligand excluded by PLIP

2 x NA: SODIUM ION(Non-functional Binders)

NA.20: 1 residues within 4Å: Chain B: R.220 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.220 NA.21: 3 residues within 4Å: Chain B: R.288 Ligands: ACE-ASP-GLU-GLU-THR-GLY-GLU-PHE.1, ACE-ASP-GLU-GLU-THR-GLY-GLU-PHE.1 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:R.288

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Georgakopoulos, N.D. et al., Modified Peptide Inhibitors of the Keap1-Nrf2 Protein-Protein Interaction Incorporating Unnatural Amino Acids. Chembiochem (2018)

Release Date

2018-08-08

Peptides

Kelch-like ECH-associated protein 1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Kelch-like ECH-associated protein 1

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