SMTL ID : 2asc.1

Scorpion toxin LQH-alpha-IT

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.10 Å

Oligo State

monomer

Ligands

1 x DR8: N,N,N-TRIMETHYLHEPTA-1,3,5-TRIYN-1-AMINIUM(Non-covalent)

DR8.1: 4 residues within 4Å: Chain A: Y.36, Y.50 Ligands: DR0.2, CL.3 1 PLIP interactions: 1 interactions with chain A pi-Cation interactions: A:Y.36

1 x DR0: N-(HYDROXYMETHYL)-N,N-DIMETHYLHEXAN-1-AMINIUM(Non-covalent)

DR0.2: 3 residues within 4Å: Chain A: W.39 Ligands: DR8.1, CL.3 No protein-ligand interaction detected (PLIP)

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

CL.3: 4 residues within 4Å: Chain A: Q.38, W.39 Ligands: DR8.1, DR0.2 Ligand excluded by PLIP CL.4: 5 residues within 4Å: Chain A: C.13, V.14, R.59, C.64 Ligands: EOH.14 Ligand excluded by PLIP CL.5: 0 residues within 4Å: (No contacts) Ligand excluded by PLIP

1 x NO3: NITRATE ION(Non-functional Binders)

NO3.6: 2 residues within 4Å: Chain A: D.4, Y.50 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:S.33

1 x K: POTASSIUM ION(Non-covalent)

K.7: 3 residues within 4Å: Chain A: Y.15, E.16, Y.22 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.16, A:Y.22

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

EDO.8: 4 residues within 4Å: Chain A: D.20, A.21, N.24 Ligands: EDO.9 1 PLIP interactions: 1 interactions with chain A Water bridges: A:E.25 EDO.9: 5 residues within 4Å: Chain A: D.20, N.24, G.35, Y.36 Ligands: EDO.8 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:D.20 EDO.10: 3 residues within 4Å: Chain A: F.18, R.19, W.39 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:F.18 Water bridges: A:D.20 EDO.11: 3 residues within 4Å: Chain A: W.39, A.40, N.45 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:A.40, A:N.45 EDO.12: 2 residues within 4Å: Chain A: N.55, V.56 No protein-ligand interaction detected (PLIP)

3 x MOH: METHANOL(Non-functional Binders)

MOH.13: 4 residues within 4Å: Chain A: I.7, A.8, K.9, Y.15 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Y.15 MOH.16: 4 residues within 4Å: Chain A: D.54, N.55, V.56, P.57 No protein-ligand interaction detected (PLIP) MOH.18: 1 residues within 4Å: Chain A: K.42 No protein-ligand interaction detected (PLIP)

3 x EOH: ETHANOL(Non-functional Binders)

EOH.14: 4 residues within 4Å: Chain A: V.14, E.16, Y.43 Ligands: CL.4 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:V.14, A:Y.43 Hydrogen bonds: A:E.16, A:E.16 EOH.15: 5 residues within 4Å: Chain A: K.42, Y.43, R.59, V.60, P.61 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:P.61 Hydrogen bonds: A:K.42 EOH.17: 2 residues within 4Å: Chain A: T.28, G.31 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kahn, R. et al., X-ray structures of Lqh-alpha-IT and Lqh-alpha-IT8D9D10V mutant. To be Published

Release Date

2006-09-05

Peptides

neurotoxin alpha-IT: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

neurotoxin alpha-IT

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