SMTL ID : 1rwn.1

Crystal structure of human caspase-1 in complex with 3-{2-ethyl-6-[4-(quinoxalin-2-ylamino)-benzoylamino]-hexanoylamino}-4-oxo-butyric acid

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

hetero-oligomer

Ligands

2 x 4QB: 3-{2-ETHYL-6-[4-(QUINOXALIN-2-YLAMINO)-BENZOYLAMINO]-HEXANOYLAMINO}-4-OXO-BUTYRIC ACID(Covalent)

4QB.1: 16 residues within 4Å: Chain A: R.60, S.117, H.118, G.119, Q.164, C.166 Chain B: V.22, S.23, W.24, R.25, H.26, M.29, G.30, S.31, V.32, R.67 18 PLIP interactions: 12 interactions with chain B, 6 interactions with chain A Hydrophobic interactions: B:V.22, B:H.26, B:M.29 Hydrogen bonds: B:S.23, B:R.25, B:R.25, B:H.26, B:S.31, A:H.118, A:G.119, A:Q.164, A:C.166 Water bridges: B:R.25, B:R.67 Salt bridges: B:R.25, A:R.60, A:H.118 pi-Stacking: B:H.26 4QB.2: 16 residues within 4Å: Chain C: R.60, S.117, H.118, G.119, Q.164, C.166 Chain D: V.22, S.23, W.24, R.25, H.26, M.29, G.30, S.31, V.32, R.67 16 PLIP interactions: 5 interactions with chain C, 11 interactions with chain D Hydrogen bonds: C:G.119, C:Q.164, C:C.166, D:S.23, D:R.25, D:R.25, D:S.31 Salt bridges: C:R.60, C:H.118, D:R.25 Hydrophobic interactions: D:V.22, D:H.26, D:M.29 Water bridges: D:R.25, D:R.67 pi-Stacking: D:H.26

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

O'Brien, T. et al., Structural analysis of caspase-1 inhibitors derived from Tethering. Acta Crystallogr.,Sect.F (2005)

Release Date

2004-12-28

Peptides

Interleukin-1 beta convertase: AC
Interleukin-1 beta convertase: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

Interleukin-1 beta convertase

Interleukin-1 beta convertase

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