BMRB Entry 6924
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PDB ID:
Entry in NMR Restraints Grid
Validation report in NRG-CING
Chem Shift validation: AVS_full
BMRB Entry DOI: doi:10.13018/BMR6924
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Title: 1H chemical shifts for discrepin, a scorpion toxin that blocks IA currents of the voltage dependent K+ channels PubMed: 16460026
Deposition date: 2005-12-13 Original release date: 2006-04-05
Authors: Prochnicka-Chalufour, Ada; Corzo, Gerardo; Satake, Honoo; Martin-Euaclaire, Marie-France; Murgia, Anna; Prestipino, Gianfranco; D'Suze, Gina; Possani, Lourival; Delepierre, Muriel
Citation: Prochnicka-Chalufour, Ada; Corzo, Gerardo; Satake, Honoo; Martin-Eauclaire, Marie-France; Murgia, Anna; Prestipino, Gianfranco; D'Suze, Gina; Possani, Lourival; Delepierre, Muriel. "Solution Structure of Discrepin, a New K(+)-Channel Blocking Peptide from the alpha-KTx15 Subfamily(,)." Biochemistry 45, 1795-1804 (2006).
Assembly members:
discrepin, Tityus discrepans toxin from alpha-KTx15 sub-family, polymer, 38 residues, Formula weight is not available
Natural source: Common Name: scorpion Taxonomy ID: 57059 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Tityus discrepans
Experimental source: Production method: chemical synthesis
Entity Sequences (FASTA):
discrepin, Tityus discrepans toxin from alpha-KTx15 sub-family: XIDTNVKCSGSSKCVKICID
RYNTRGAKCINGRCTCYP
- assigned_chemical_shifts
| Data type | Count |
| 1H chemical shifts | 250 |
Additional metadata:
Assembly:
| Entity Assembly ID | Entity Name | Entity ID |
|---|---|---|
| 1 | discrepin | 1 |
Entities:
Entity 1, discrepin 38 residues - Formula weight is not available
the first residue of the sequence (Z in 1 letter code) is a pyroglutamic acid PCA.
| 1 | PCA | ILE | ASP | THR | ASN | VAL | LYS | CYS | SER | GLY | ||||
| 2 | SER | SER | LYS | CYS | VAL | LYS | ILE | CYS | ILE | ASP | ||||
| 3 | ARG | TYR | ASN | THR | ARG | GLY | ALA | LYS | CYS | ILE | ||||
| 4 | ASN | GLY | ARG | CYS | THR | CYS | TYR | PRO |
Samples:
sample_1: discrepin 3.0 mM; H20 90%; D20 10%
conditions_1: pH: 3; temperature: 308 K
Experiments:
| Name | Sample | Sample state | Sample conditions |
|---|---|---|---|
| DQF-COSY | sample_1 | not available | conditions_1 |
| TOCSY | sample_1 | not available | conditions_1 |
| NOESY | sample_1 | not available | conditions_1 |
Software:
VNMR v6.1C -
XEASY v1.2 -
NMR spectrometers:
- Varian Inova 600 MHz