SMTL ID : 3s70.1

Crystal structure of active caspase-6 bound with Ac-VEID-CHO solved by As-SAD

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.62 Å

Oligo State

homo-dimer

Ligands

2 x ACE- VAL- GLU- ILE- ASA: aldehyde inhibitor Ac-VEID-CHO(Non-covalent)

ACE-VAL-GLU-ILE-ASA.1: 14 residues within 4Å: Chain A: E.40, R.41, H.98, G.99, Q.138, C.140, H.145, Y.194, S.195, H.196, R.197, E.198, T.199 Ligands: CAC.3 18 PLIP interactions: 18 interactions with chain A Hydrophobic interactions: A:Y.194, A:H.196, A:T.199 Hydrogen bonds: A:H.98, A:G.99, A:Q.138, A:C.140, A:S.195, A:R.197, A:R.197, A:R.197, A:T.199 Water bridges: A:R.42, A:R.197 Salt bridges: A:R.41, A:H.98, A:R.197, A:R.197 ACE-VAL-GLU-ILE-ASA.2: 14 residues within 4Å: Chain B: R.41, S.97, H.98, G.99, Q.138, C.140, H.145, Y.194, S.195, H.196, R.197, E.198, T.199 Ligands: CAC.10 19 PLIP interactions: 19 interactions with chain B Hydrophobic interactions: B:Y.194, B:H.196, B:T.199 Hydrogen bonds: B:G.99, B:Q.138, B:C.140, B:S.195, B:R.197, B:R.197, B:R.197, B:T.199 Water bridges: B:R.42, B:R.197, B:R.197, B:V.200 Salt bridges: B:R.41, B:H.98, B:R.197, B:R.197

8 x CAC: CACODYLATE ION(Non-covalent)

CAC.3: 3 residues within 4Å: Chain A: V.238, C.241 Ligands: ACE-VAL-GLU-ILE-ASA.1 No protein-ligand interaction detected (PLIP) CAC.4: 7 residues within 4Å: Chain A: R.141, Y.187, E.191, C.254, F.255, A.256 Chain B: A.256 No protein-ligand interaction detected (PLIP) CAC.5: 4 residues within 4Å: Chain A: T.52, V.62, C.64 Ligands: ACT.7 No protein-ligand interaction detected (PLIP) CAC.6: 5 residues within 4Å: Chain A: N.28, E.30, C.45, R.48, N.66 No protein-ligand interaction detected (PLIP) CAC.9: 6 residues within 4Å: Chain A: A.256 Chain B: R.141, Y.187, E.191, C.254, A.256 No protein-ligand interaction detected (PLIP) CAC.10: 4 residues within 4Å: Chain B: V.238, C.241 Ligands: ACE-VAL-GLU-ILE-ASA.2, ACE-VAL-GLU-ILE-ASA.2 No protein-ligand interaction detected (PLIP) CAC.11: 4 residues within 4Å: Chain B: C.45, A.46, R.48, D.49 No protein-ligand interaction detected (PLIP) CAC.12: 3 residues within 4Å: Chain B: T.52, V.62, C.64 No protein-ligand interaction detected (PLIP)

1 x ACT: ACETATE ION(Non-functional Binders)

ACT.7: 3 residues within 4Å: Chain A: R.48, C.64 Ligands: CAC.5 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:R.48

1 x MG: MAGNESIUM ION(Non-covalent)

MG.8: 2 residues within 4Å: Chain A: R.237, G.248 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Liu, X. et al., Get phases from arsenic anomalous scattering: de novo SAD phasing of two protein structures crystallized in cacodylate buffer. Plos One (2011)

Release Date

2012-04-11

Peptides

Caspase-6: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Caspase-6

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