1BE9: PSD-95

Name: PDB 1BE9: The third PDZ domain from the synaptic protein psd-95 in complex with a C-terminal peptide derived from cript.
Published: 1998-10-21
License: https://creativecommons.org/publicdomain/zero/1.0/
Keywords: peptide recognition

The third PDZ domain from the synaptic protein psd-95 in complex with a C-terminal peptide derived from cript. Determined by X-ray diffraction at 1.82 Å resolution. Released 21 Oct 1998.

Method: X-ray diffraction
Resolution: 1.82 Å
Organism: Rattus norvegicus
Chains: 2
Atoms: 1,045
Mol. weight: 13.31 kDa
Released: 21 Oct 1998

Explore 1BE9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1BE9 contains 5 α-helices and 9 β-strands across 2 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 8 β-strands

Element	Residues	Length	Sheet
α-helix	302-304	3
α-helix	306-308	3
β-strand	312-317	6	1
β-strand	325-329	5	1
β-strand	336-341	6	1
α-helix	346-350	5
β-strand	357-362	6	1
β-strand	365-366	2	1
α-helix	372-380	9
β-strand	385-392	8	1
α-helix	394-398	5
β-strand	404-406	3	2
β-strand	412-414	3	2

Chain B: 0 helices, 1 β-strand

Element	Residues	Length	Sheet
β-strand	6-8	3	1

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
PSD-95	A	protein	119	Rattus norvegicus	P31016 (AlphaFold model)
Cript	B	protein	5

Sequence of entity 1 (A), FASTA

>1BE9_1 PSD-95 (chains A)
GSPEFLGEEDIPREPRRIVIHRGSTGLGFNIIGGEDGEGIFISFILAGGPADLSGELRKG
DQILSVNGVDLRNASHEQAAIALKNAGQTVTIIAQYKPEEYSRFEANSRVNSSGRIVTN

Sequence of entity 2 (B), FASTA

>1BE9_2 CRIPT (chains B)
KQTSV

Primary citation

Crystal structures of a complexed and peptide-free membrane protein-binding domain: molecular basis of peptide recognition by PDZ. Doyle, D.A., Lee, A., Lewis, J. et al. Cell (1996) 85:1067-1076. DOI 10.1016/S0092-8674(00)81307-0 · PubMed

Other PDB entries of the same protein (UniProt P31016 (AlphaFold model), which also has an AlphaFold model), best resolution first:

5HEY 1.5 Å, The third PDZ domain from the synaptic protein PSD-95 (G330T mutant) in complex with a…
5MZ7 1.53 Å, Crystal Structure of the third PDZ domain from the synaptic protein PSD-95 with…
1TP5 1.54 Å, Crystal structure of PDZ3 domain of PSD-95 protein complexed with a peptide ligand KKETWV
5HFD 1.6 Å, The third PDZ domain from the synaptic protein PSD-95 (G330T, H372A double mutant)
5HFB 1.62 Å, The third PDZ domain from the synaptic protein PSD-95 (H372A mutant) in complex with a…
5HEB 1.65 Å, The third PDZ domain from the synaptic protein PSD-95 in complex with a C-terminal…
5HED 1.7 Å, The third PDZ domain from the synaptic protein PSD-95 in complex with a mutant…
5HF1 1.75 Å, The third PDZ domain from the synaptic protein PSD-95 (G330T mutant) in complex with a…
5HFF 1.75 Å, The third PDZ domain from the synaptic protein PSD-95 (G330T, H372A double mutant) in…
5HF4 1.75 Å, The third PDZ domain from the synaptic protein PSD-95 (H372A mutant)
1KJW 1.8 Å, SH3-Guanylate Kinase Module from PSD-95
5HFE 1.8 Å, The third PDZ domain from the synaptic protein PSD-95 (G330T, H372A double mutant) in…

Browse structure collections

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