SMTL ID : 2qlb.1

Crystal Structure of caspase-7 with inhibitor AC-ESMD-CHO

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 Å

Oligo State

hetero-2-2-mer

Ligands

2 x ACE- GLU- SER- MET- ASJ: Inhibitor AC-ESMD-CHO(Non-covalent)

ACE-GLU-SER-MET-ASJ.1: 17 residues within 4Å: Chain A: R.64, S.120, H.121, G.122, Q.161, C.163 Chain B: Y.24, S.25, W.26, R.27, S.28, P.29, W.34, E.68, S.69, Q.70, F.76 18 PLIP interactions: 12 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:Y.24, B:W.26, B:P.29 Hydrogen bonds: B:S.25, B:R.27, B:R.27, B:R.27, B:R.27, B:W.34, B:Q.70, B:Q.70, A:H.121, A:G.122, A:Q.161, A:C.163 Salt bridges: B:R.27, A:R.64, A:H.121 ACE-GLU-SER-MET-ASJ.2: 15 residues within 4Å: Chain C: R.64, S.120, H.121, G.122, Q.161, C.163 Chain D: Y.24, S.25, W.26, R.27, P.29, W.34, S.69, Q.70, F.76 19 PLIP interactions: 6 interactions with chain C, 13 interactions with chain D Hydrogen bonds: C:H.121, C:G.122, C:Q.161, C:C.163, D:S.25, D:R.27, D:R.27, D:R.27, D:R.27, D:W.34, D:Q.70, D:Q.70 Salt bridges: C:R.64, C:H.121, D:R.27 Hydrophobic interactions: D:Y.24, D:W.26, D:P.29 Water bridges: D:R.31

1 x GLN- GLY- HIS- GLY- GLU: Peptide QGHGE(Non-covalent)

GLN-GLY-HIS-GLY-GLU.3: 12 residues within 4Å: Chain A: Q.36 Chain B: K.48, D.49, Q.54, Y.94, S.96 Chain C: Q.36 Chain D: Q.54, E.92, Y.94, S.96, Q.97 15 PLIP interactions: 7 interactions with chain D, 6 interactions with chain B, 1 interactions with chain C, 1 interactions with chain A Hydrophobic interactions: D:Y.94, D:Y.94, B:Y.94 Hydrogen bonds: D:Y.94, D:Y.94, D:S.96, B:K.48, B:Y.94, B:S.96, C:Q.36, A:Q.36 Water bridges: D:E.51, D:Q.54, B:Q.54, B:Y.94

1 x CIT: CITRIC ACID(Non-functional Binders)

CIT.4: 8 residues within 4Å: Chain A: R.164 Chain B: P.21, C.84 Chain C: R.164 Chain D: Y.17, P.21, C.84, V.86 6 PLIP interactions: 1 interactions with chain C, 3 interactions with chain D, 1 interactions with chain B, 1 interactions with chain A Salt bridges: C:R.164, A:R.164 Hydrophobic interactions: D:V.86, D:V.86, B:P.21 Hydrogen bonds: D:Y.17

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Agniswamy, J. et al., Plasticity of S2-S4 specificity pockets of executioner caspase-7 revealed by structural and kinetic analysis. Febs J. (2007)

Release Date

2007-08-28

Peptides

Caspase-7: AC
Caspase-7: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
C

B
B

D
D

Caspase-7

Caspase-7

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