SMTL ID : 5x54.2 (1 other biounit)

Crystal structure of the Keap1 Kelch domain in complex with a tetrapeptide

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

monomer

Ligands

1 x ACE- GLU- TRP- TRP- TRP: ACE-GLU-TRP-TRP-TRP(Non-covalent)

ACE-GLU-TRP-TRP-TRP.1: 17 residues within 4Å: Chain A: Y.16, S.45, G.46, R.62, N.64, R.97, R.165, S.190, G.191, Y.207, Q.212, S.237, A.238, Y.254, F.259, S.284, G.285 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:R.97, A:Y.207, A:A.238, A:Y.254, A:Y.254, A:Y.254, A:F.259 Hydrogen bonds: A:R.97, A:R.97, A:S.190, A:S.237, A:S.284 Water bridges: A:R.62 Salt bridges: A:R.62, A:R.97, A:R.97, A:R.165 pi-Stacking: A:Y.207 pi-Cation interactions: A:R.97

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

ACT.2: 5 residues within 4Å: Chain A: L.153, Y.173, P.174, E.175, R.176 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:L.153, A:Y.173 Hydrogen bonds: A:E.175, A:R.176 Salt bridges: A:R.176 ACT.3: 4 residues within 4Å: Chain A: R.36, L.37, A.38, D.39 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.39 Salt bridges: A:R.36

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Sogabe, S. et al., Discovery of a Kelch-like ECH-associated protein 1-inhibitory tetrapeptide and its structural characterization. Biochem. Biophys. Res. Commun. (2017)

Release Date

2017-03-29

Peptides

Kelch-like ECH-associated protein 1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Kelch-like ECH-associated protein 1

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