SMTL ID : 2i61.1

Depressant anti-insect neurotoxin, LqhIT2 from Leiurus quinquestriatus hebraeus

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.20 Å

Oligo State

monomer

Ligands

3 x LI: LITHIUM ION(Non-covalent)

LI.1: 1 residues within 4Å: Chain A: W.37 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:W.37, H2O.1 LI.2: 4 residues within 4Å: Chain A: D.9, G.10, T.60, C.61 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.9, A:T.60, H2O.1 LI.3: 3 residues within 4Å: Chain A: K.27, A.28, G.30 4 PLIP interactions: 1 interactions with chain A, 3 Ligand-Water interactions Metal complexes: A:K.27, H2O.1, H2O.2, H2O.4

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

SO4.4: 1 residues within 4Å: Chain A: N.59 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.59

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

EDO.5: 2 residues within 4Å: Chain A: N.19, C.36 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.19 EDO.6: 3 residues within 4Å: Chain A: K.6, T.58, T.60 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:T.60 Water bridges: A:T.58, A:T.58, A:T.58, A:T.60 EDO.7: 3 residues within 4Å: Chain A: Y.29, G.30, K.52 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:K.52 Water bridges: A:A.28

1 x CO2: CARBON DIOXIDE(Non-covalent)

CO2.8: 4 residues within 4Å: Chain A: C.11, K.12, W.54, C.61 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.12

1 x ACY: ACETIC ACID(Non-functional Binders)

ACY.9: 6 residues within 4Å: Chain A: K.6, R.7, R.8, Y.29, D.51, K.52 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:R.8, A:K.52 Salt bridges: A:K.6, A:K.52

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Karbat, I. et al., X-ray Structure and Mutagenesis of the Scorpion Depressant Toxin LqhIT2 Reveals Key Determinants Crucial for Activity and Anti-Insect Selectivity. J.Mol.Biol. (2007)

Release Date

2006-12-26

Peptides

Insect toxin 2: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Insect toxin 2