SMTL ID : 2cnk.1

Crystal structures of caspase-3 in complex with aza-peptide epoxide inhibitors.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

hetero-2-2-mer

Ligands

2 x PHQ- ASP- GLU- VAL- MY2: AZA-PEPTIDE EXPOXIDE(Non-covalent)

PHQ-ASP-GLU-VAL-MY2.1: 24 residues within 4Å: Chain A: S.35, R.36, S.37, S.92, H.93, G.94, E.95, Q.133, A.134, C.135, G.137, T.138 Chain B: Y.30, S.31, W.32, R.33, N.34, S.35, W.40, S.75, F.76, F.78 Chain D: V.4, D.5 30 PLIP interactions: 19 interactions with chain B, 10 interactions with chain A, 1 interactions with chain D Hydrophobic interactions: B:Y.30, B:W.32, B:W.32, B:F.76, B:F.78, A:E.95, A:T.138 Hydrogen bonds: B:S.31, B:R.33, B:R.33, B:R.33, B:N.34, B:S.35, B:F.76, B:F.76, B:F.76, A:S.37, A:S.37, A:H.93, A:G.94, A:Q.133, A:C.135, D:D.5 Water bridges: B:R.33, B:S.35, B:K.36 Salt bridges: B:R.33, B:R.33, A:R.36, A:H.93 PHQ-ASP-GLU-VAL-MY2.2: 24 residues within 4Å: Chain B: V.4, D.5 Chain C: S.35, R.36, S.37, S.92, H.93, G.94, E.95, Q.133, A.134, C.135, G.137, T.138 Chain D: Y.30, S.31, W.32, R.33, N.34, S.35, W.40, S.75, F.76, F.78 29 PLIP interactions: 10 interactions with chain C, 19 interactions with chain D Hydrophobic interactions: C:E.95, C:T.138, D:Y.30, D:W.32, D:W.32, D:F.76, D:F.78 Hydrogen bonds: C:S.37, C:S.37, C:H.93, C:G.94, C:Q.133, C:C.135, D:S.31, D:R.33, D:R.33, D:R.33, D:R.33, D:N.34, D:S.35, D:F.76, D:F.76 Salt bridges: C:R.36, C:H.93, D:R.33, D:R.33 Water bridges: D:R.33, D:S.35, D:K.36

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Ganesan, R. et al., Exploring the S4 and S1 Prime Subsite Specificities in Caspase-3 with Aza-Peptide Epoxide Inhibitors. Biochemistry (2006)

Release Date

2007-05-22

Peptides

CASPASE-3 P17 SUBUNIT: AC
CASPASE-3 P12 SUBUNIT: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

CASPASE-3 P17 SUBUNIT

CASPASE-3 P12 SUBUNIT

Related Entries With Identical Sequence