SMTL ID : 1pcg.1

Helix-stabilized cyclic peptides as selective inhibitors of steroid receptor-coactivator interactions

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.70 Å

Oligo State

homo-dimer

Ligands

2 x LYS- DCY- ILE- LEU- CYS- ARG- LEU- LEU- GLN: peptide inhibitor(Non-covalent)

LYS-DCY-ILE-LEU-CYS-ARG-LEU-LEU-GLN.1: 9 residues within 4Å: Chain A: I.55, K.59, L.69, Q.72, V.73, L.76, E.77, D.235, E.239 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:I.55, A:L.69, A:Q.72, A:V.73, A:V.73, A:L.76, A:E.77, A:D.235 Hydrogen bonds: A:K.59, A:E.239, A:E.239, A:E.239, A:E.239 Salt bridges: A:K.59 LYS-DCY-ILE-LEU-CYS-ARG-LEU-LEU-GLN.2: 10 residues within 4Å: Chain B: I.55, K.59, L.69, Q.72, V.73, E.77, D.235, L.236, E.239, M.240 15 PLIP interactions: 15 interactions with chain B Hydrophobic interactions: B:I.55, B:L.69, B:L.69, B:Q.72, B:V.73, B:V.73, B:E.77, B:D.235, B:L.236 Hydrogen bonds: B:K.59, B:E.239, B:E.239, B:E.239, B:E.239 Salt bridges: B:K.59

2 x EST: ESTRADIOL(Non-covalent)

EST.3: 11 residues within 4Å: Chain A: L.43, A.47, E.50, L.84, M.85, L.88, R.91, F.101, I.121, H.221, L.222 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:L.43, A:A.47, A:L.84, A:L.88, A:I.121, A:H.221, A:L.222 Hydrogen bonds: A:E.50, A:R.91 pi-Stacking: A:F.101 EST.4: 12 residues within 4Å: Chain B: M.40, L.43, A.47, E.50, L.84, M.85, L.88, R.91, F.101, G.218, H.221, L.222 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:L.43, B:A.47, B:L.84, B:L.88, B:L.88, B:L.222 Hydrogen bonds: B:E.50, B:R.91, B:H.221 pi-Stacking: B:F.101

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Leduc, A.M. et al., Helix-stabilized cyclic peptides as selective inhibitors of steroid receptor-coactivator interactions. Proc.Natl.Acad.Sci.USA (2003)

Release Date

2003-10-28

Peptides

estrogen receptor: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

estrogen receptor

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