SMTL ID : 3cyy.1

The crystal structure of ZO-1 PDZ2 in complex with the Cx43 peptide

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

2 x ARG- PRO- ARG- PRO- ASP- ASP- LEU- GLU- ILE: peptide from Gap junction alpha-1 protein(Non-covalent)

ARG-PRO-ARG-PRO-ASP-ASP-LEU-GLU-ILE.1: 15 residues within 4Å: Chain A: K.28, L.61, K.65, I.68, L.75 Chain B: E.16, Y.17, G.18, L.19, R.20, L.21, A.22, V.55, E.57, N.58 21 PLIP interactions: 5 interactions with chain A, 16 interactions with chain B Hydrophobic interactions: A:K.65, A:L.75, B:L.19, B:L.21 Hydrogen bonds: A:K.28, A:K.28, B:Y.17, B:G.18, B:L.19, B:L.19, B:L.19, B:L.21, B:L.21, B:N.58, B:N.58 Salt bridges: A:K.28, B:R.20, B:R.20 Water bridges: B:R.20, B:R.20, B:V.55 ARG-PRO-ARG-PRO-ASP-ASP-LEU-GLU-ILE.2: 13 residues within 4Å: Chain A: E.16, Y.17, G.18, L.19, R.20, L.21, E.57, N.58 Chain B: K.28, L.61, K.65, I.68, L.75 22 PLIP interactions: 15 interactions with chain A, 7 interactions with chain B Hydrophobic interactions: A:L.19, A:L.21, B:L.61, B:K.65, B:L.75 Hydrogen bonds: A:Y.17, A:G.18, A:L.19, A:L.19, A:L.21, A:L.21, A:N.58, A:N.58, B:K.28, B:K.28 Water bridges: A:E.15, A:N.58, B:K.28 Salt bridges: A:R.20, A:R.20, A:E.57, B:K.28

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Chen, J. et al., Domain-swapped dimerization of ZO-1 PDZ2 generates specific and regulatory connexin43-binding sites. Embo J. (2008)

Release Date

2008-09-23

Peptides

Tight junction protein ZO-1: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Tight junction protein ZO-1