SMTL ID : 4zjx.1

Crystal structure of the catalytic domain of botulinum neurotoxin serotype A with a Novel Cyclic Peptide Inhibitor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.94 Å

Oligo State

monomer

Ligands

1 x CYS- DAB- ARG- TRP- THR- LYS- CYS- LEU- NH2: circular peptide inhibitor(Non-covalent)

CYS-DAB-ARG-TRP-THR-LYS-CYS-LEU-NH2.1: 24 residues within 4Å: Chain A: V.68, V.70, D.159, I.161, Q.162, F.163, E.164, F.194, H.223, E.224, H.227, V.245, L.256, E.257, V.258, E.262, R.363, Y.366, L.367, N.368, F.369, D.370, F.423 Ligands: ZN.2 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:V.245, A:L.256, A:Y.366, A:F.369, A:F.423 Hydrogen bonds: A:D.159, A:E.164, A:H.223, A:Y.366, A:D.370 Water bridges: A:F.163, A:C.165, A:R.363, A:R.363, A:R.363, A:R.363, A:Y.366, A:N.368, A:D.370 Salt bridges: A:D.370 pi-Cation interactions: A:F.194

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 5 residues within 4Å: Chain A: H.223, H.227, E.262 Ligands: CYS-DAB-ARG-TRP-THR-LYS-CYS-LEU-NH2.1, CYS-DAB-ARG-TRP-THR-LYS-CYS-LEU-NH2.1 4 PLIP interactions: 4 interactions with chain A Metal complexes: A:H.223, A:H.227, A:E.262, A:E.262

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 1 residues within 4Å: Chain A: K.340 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:K.340 SO4.4: 4 residues within 4Å: Chain A: G.169, N.174, L.175, T.176 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:L.175, A:T.176, A:T.176, A:R.231 Water bridges: A:H.170, A:S.182 SO4.5: 3 residues within 4Å: Chain A: N.40, K.41, Y.312 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:N.40, A:N.40, A:Y.312 Water bridges: A:K.41, A:K.41 Salt bridges: A:K.41

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kumaran, D. et al., Crystal structure of the catalytic domain of botulinum neurotoxin serotype A with a Novel Cyclic Peptide Inhibitor. To Be Published

Release Date

2016-06-01

Peptides

Botulinum neurotoxin type A: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Botulinum neurotoxin type A