BMRB Entry 19032
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PDB ID:
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full, SPARTA
BMRB Entry DOI: doi:10.13018/BMR19032
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Title: Analysis of the structural and molecular basis of voltage-sensitive sodium channel inhibition by the spider toxin, Huwentoxin-IV ( -TRTX-Hh2a). PubMed: 23760503
Deposition date: 2013-02-12 Original release date: 2013-06-17
Authors: Gibbs, Al; Minassian, Natali; Flinspach, Mack; Wickenden, Alan
Citation: Minassian, Natali; Gibbs, Alan; Shih, Amy; Liu, Yi; Neff, Robert; Sutton, Steven; Mirzadegan, Tara; Connor, Judith; Fellows, Ross; Husovsky, Matthew; Nelson, Serena; Hunter, Michael; Flinspach, Mack; Wickenden, Alan. "Analysis of the Structural and Molecular Basis of Voltage-sensitive Sodium Channel Inhibition by the Spider Toxin Huwentoxin-IV (-TRTX-Hh2a)." J. Biol. Chem. 288, 22707-22720 (2013).
Assembly members:
Huwentoxin-IV, polymer, 35 residues, 4062.773 Da.
Natural source: Common Name: not available Taxonomy ID: not available Superkingdom: not available Kingdom: not available Genus/species: not available not available
Experimental source: Production method: recombinant technology Host organism: Homo sapiens
Entity Sequences (FASTA):
Huwentoxin-IV: ECLEIFKACNPSNDQCCKSS
KLVCSRKTRWCAYQI
- assigned_chemical_shifts
| Data type | Count |
| 1H chemical shifts | 187 |
Additional metadata:
Assembly:
| Entity Assembly ID | Entity Name | Entity ID |
|---|---|---|
| 1 | Huwentoxin-IV | 1 |
Entities:
Entity 1, Huwentoxin-IV 35 residues - 4062.773 Da.
| 1 | GLU | CYS | LEU | GLU | ILE | PHE | LYS | ALA | CYS | ASN | ||||
| 2 | PRO | SER | ASN | ASP | GLN | CYS | CYS | LYS | SER | SER | ||||
| 3 | LYS | LEU | VAL | CYS | SER | ARG | LYS | THR | ARG | TRP | ||||
| 4 | CYS | ALA | TYR | GLN | ILE |
Samples:
sample_1: Huwentoxin-IV 2 mM; sodium phosphate 20 mM; sodium azide 150 uM; EDTA, [U-99% 2H], 100 uM; H2O 90%; D2O 10%
sample_conditions_1: pH: 6.7; pressure: 1 atm; temperature: 298 K
Experiments:
| Name | Sample | Sample state | Sample conditions |
|---|---|---|---|
| 2D 1H-15N HSQC | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-1H TOCSY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-1H NOESY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-13C HSQC | sample_1 | isotropic | sample_conditions_1 |
Software:
CYANA, Guntert, Mumenthaler and Wuthrich - structure solution
NMR spectrometers:
- Bruker Avance 950 MHz