SMTL ID : 7y8g.1

Estrogen Receptor Alpha Ligand Binding Domain Y537S Mutant in Complex with an Inhibitor 30a and GRIP Peptide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.14 Å

Oligo State

homo-dimer

Ligands

2 x IAT: [4-(1,2,4-triazol-1-yl)phenyl] (1~{S},2~{R},4~{S})-5,6-bis(4-hydroxyphenyl)-7-oxabicyclo[2.2.1]hept-5-ene-2-sulfonate(Non-covalent)

IAT.1: 22 residues within 4Å: Chain A: E.45, M.49, L.52, T.53, A.56, E.59, L.93, M.94, L.97, R.100, F.110, V.124, E.125, M.127, I.130, G.227, H.230, L.231, S.233, M.234, K.237, L.246 16 PLIP interactions: 16 interactions with chain A Hydrophobic interactions: A:L.52, A:A.56, A:L.93, A:L.97, A:L.97, A:V.124, A:H.230, A:H.230, A:L.231, A:M.234 Hydrogen bonds: A:E.45, A:E.59, A:R.100, A:S.233 Water bridges: A:R.100 pi-Stacking: A:F.110 IAT.3: 19 residues within 4Å: Chain B: M.49, L.52, T.53, A.56, E.59, L.93, M.94, L.97, R.100, F.110, V.124, E.125, M.127, I.130, G.227, H.230, L.231, M.234, L.246 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:L.52, B:A.56, B:L.93, B:L.97, B:L.97, B:F.110, B:H.230 Hydrogen bonds: B:E.59, B:R.100, B:E.125 Water bridges: B:R.100 pi-Stacking: B:F.110

2 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.2: 6 residues within 4Å: Chain A: Q.147, E.150, L.195, M.196, A.199, R.209 1 PLIP interactions: 1 interactions with chain A Water bridges: A:L.195 PEG.4: 7 residues within 4Å: Chain B: N.145, Q.147, E.150, L.195, M.196, A.199, R.209 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:N.145

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Xin, L. et al., Structure-guided identification of novel dual-targeting estrogen receptor alpha degraders with aromatase inhibitory activity for the treatment of endocrine-resistant breast cancer. Eur.J.Med.Chem. (2023)

Release Date

2023-04-26

Peptides

Estrogen receptor: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Estrogen receptor

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