SMTL ID : 2cnl.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.67 Å

Oligo State

hetero-2-2-mer

Ligands

2 x PHQ- ASP- GLU- VAL- MY3: AZA-PEPTIDE EPOXIDE(Non-covalent)

PHQ-ASP-GLU-VAL-MY3.1: 22 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, 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: D.5 26 PLIP interactions: 16 interactions with chain B, 1 interactions with chain D, 9 interactions with chain A Hydrophobic interactions: B:Y.30, B:W.32, B:W.32, B:F.78, 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, D:D.5, A:S.37, A:S.37, A:H.93, A:G.94, A:G.94, A:Q.133, A:C.135 Water bridges: B:K.36, B:F.76 Salt bridges: B:R.33, B:R.33, A:R.36 PHQ-ASP-GLU-VAL-MY3.2: 22 residues within 4Å: Chain B: D.5 Chain C: S.35, R.36, S.37, S.92, H.93, G.94, E.95, Q.133, A.134, C.135, T.138 Chain D: Y.30, S.31, W.32, R.33, N.34, S.35, W.40, S.75, F.76, F.78 25 PLIP interactions: 9 interactions with chain C, 16 interactions with chain D Hydrophobic interactions: C:T.138, D:Y.30, D:W.32, D:W.32, D:F.78 Hydrogen bonds: C:S.37, C:S.37, C:H.93, C:G.94, 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 Salt bridges: C:R.36, D:R.33, D:R.33 Water bridges: D:K.36, D:F.76

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 SUBUNIT P17: AC
CASPASE-3 SUBUNIT P12: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

CASPASE-3 SUBUNIT P17

CASPASE-3 SUBUNIT P12

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