SMTL ID : 1tp5.2 (1 other biounit)

Crystal structure of PDZ3 domain of PSD-95 protein complexed with a peptide ligand KKETWV

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.54 Å

Oligo State

homo-dimer

Ligands

2 x LYS- LYS- GLU- THR- TRP- VAL: LYS-LYS-GLU-THR-TRP-VAL peptide ligand(Non-covalent)

LYS-LYS-GLU-THR-TRP-VAL.1: 20 residues within 4Å: Chain A: G.26, L.27, G.28, F.29, N.30, I.31, V.32, E.35, S.43, F.44, L.46, H.76, A.80, K.84 Chain B: N.30, L.46 Ligands: LYS-LYS-GLU-THR-TRP-VAL.2, LYS-LYS-GLU-THR-TRP-VAL.2, LYS-LYS-GLU-THR-TRP-VAL.2, LYS-LYS-GLU-THR-TRP-VAL.2 21 PLIP interactions: 19 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:F.29, A:N.30, A:F.44, A:L.46, A:A.80, B:L.46 Hydrogen bonds: A:L.27, A:G.28, A:F.29, A:F.29, A:N.30, A:N.30, A:I.31, A:I.31, A:E.35, A:S.43, A:H.76, A:K.84, B:N.30 Water bridges: A:H.76, A:E.77 LYS-LYS-GLU-THR-TRP-VAL.2: 20 residues within 4Å: Chain A: N.30, L.46 Chain B: G.26, L.27, G.28, F.29, N.30, I.31, V.32, E.35, S.43, F.44, L.46, H.76, A.80, K.84 Ligands: LYS-LYS-GLU-THR-TRP-VAL.1, LYS-LYS-GLU-THR-TRP-VAL.1, LYS-LYS-GLU-THR-TRP-VAL.1, LYS-LYS-GLU-THR-TRP-VAL.1 22 PLIP interactions: 20 interactions with chain B, 2 interactions with chain A Hydrophobic interactions: B:F.29, B:N.30, B:F.44, B:L.46, B:A.80, A:L.46 Hydrogen bonds: B:L.27, B:G.28, B:F.29, B:F.29, B:F.29, B:N.30, B:I.31, B:I.31, B:S.43, B:K.84, A:N.30 Water bridges: B:E.35, B:E.35, B:H.76, B:H.76, B:E.77

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Saro, D. et al., Structure of the third PDZ domain of PSD-95 protein complexed with KKETWV peptide ligand. To be Published

Release Date

2005-09-20

Peptides

Presynaptic density protein 95: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Presynaptic density protein 95

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