SMTL ID : 8eg6.1 (1 other biounit)

huCaspase-6 in complex with inhibitor 2a

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.82 Å

Oligo State

hetero-2-2-mer

Ligands

4 x CL: CHLORIDE ION(Non-functional Binders)

CL.1: 3 residues within 4Å: Chain A: V.143, I.144 Chain C: H.120 Ligand excluded by PLIP CL.5: 5 residues within 4Å: Chain A: P.4 Chain B: K.93 Chain D: E.55, T.58, L.59 Ligand excluded by PLIP CL.7: 4 residues within 4Å: Chain C: D.140 Chain D: V.20, Q.82, V.83 Ligand excluded by PLIP CL.8: 2 residues within 4Å: Chain C: Q.138, H.139 Ligand excluded by PLIP

6 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.2: 3 residues within 4Å: Chain A: I.105, E.106, T.109 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.106, A:T.109, A:T.109 EDO.3: 2 residues within 4Å: Chain A: D.61, K.63 1 PLIP interactions: 1 interactions with chain A Water bridges: A:K.63 EDO.6: 9 residues within 4Å: Chain A: G.116, V.123, G.124, K.127 Chain B: P.9, A.10, A.12, D.13, F.14 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:G.116, A:G.124, A:K.125, A:K.127, B:A.10, B:D.13 EDO.9: 4 residues within 4Å: Chain B: A.21 Chain C: T.111, K.115 Chain D: M.89 2 PLIP interactions: 2 interactions with chain C Hydrogen bonds: C:T.111, C:K.115 EDO.10: 4 residues within 4Å: Chain A: P.145 Chain C: V.123, G.124, K.125 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain D Hydrogen bonds: C:H.12 Water bridges: C:G.124, D:K.92 EDO.13: 9 residues within 4Å: Chain C: G.116, V.123, G.124, K.125, K.127 Chain D: P.9, A.10, A.12, D.13 7 PLIP interactions: 3 interactions with chain D, 4 interactions with chain C Hydrogen bonds: D:A.10, D:D.13, D:D.13, C:G.116, C:G.124, C:K.125, C:K.127

2 x US9: (3R)-1-(ethanesulfonyl)-N-[4-(trifluoromethoxy)phenyl]piperidine-3-carboxamide(Covalent)

US9.4: 16 residues within 4Å: Chain A: R.35, R.36, G.37, T.38, D.41, Q.132, C.134, H.139 Chain B: Y.25, S.26, H.27, R.28, S.34, V.69, C.72, A.77 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Y.25, B:R.28 Hydrogen bonds: B:S.26, B:H.27, B:R.28 Water bridges: A:R.35 US9.12: 16 residues within 4Å: Chain C: R.35, R.36, G.37, T.38, D.41, Q.132, C.134, H.139 Chain D: Y.25, S.26, H.27, R.28, G.33, S.34, C.72, A.77 8 PLIP interactions: 6 interactions with chain D, 2 interactions with chain C Hydrophobic interactions: D:Y.25, D:Y.25, D:R.28 Hydrogen bonds: D:S.26, D:R.28 Halogen bonds: D:R.28 Water bridges: C:R.35, C:T.38

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.11: 7 residues within 4Å: Chain C: G.93, E.94, G.95, C.134, R.135, G.136 Chain D: Y.25 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:G.95 Water bridges: C:G.93, C:R.135

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Van Horn, K.S. et al., Engaging a Non-catalytic Cysteine Residue Drives Potent and Selective Inhibition of Caspase-6. J.Am.Chem.Soc. (2023)

Release Date

2023-05-10

Peptides

Caspase-6 subunit p18: AC
Caspase-6 subunit p11: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
E

B
B

D
F

Caspase-6 subunit p18

Caspase-6 subunit p11

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