BMRB Entry 18736
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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/BMR18736
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Title: Solution structure of a Novel Alpha-Conotoxin TxIB PubMed: 23184959
Deposition date: 2012-09-23 Original release date: 2012-12-04
Authors: Luo, Sulan; Zhangsun, Dongting; Wu, Yong; Zhu, Xiaopeng; Hu, Yuanyan; McIntyre, Melissa; Christensen, Sean; Akcan, Muharrem; Craik, David J.; McIntosh, J. Michael
Citation: Luo, Sulan; Zhangsun, Dongting; Wu, Yong; Zhu, Xiaopeng; Hu, Yuanyan; McIntyre, Melissa; Christensen, Sean; Akcan, Muharrem; Craik, David; McIntosh, J. Michael. "Characterization of a Novel alpha-Conotoxin from Conus textile That Selectively Targets alpha6/alpha3beta2beta3 Nicotinic Acetylcholine Receptors" J. Biol. Chem. 288, 894-902 (2013).
Assembly members:
Conotoxin_TxIB, polymer, 17 residues, 1746.020 Da.
Natural source: Common Name: Cloth-of-gold cone Taxonomy ID: 6494 Superkingdom: Eukaryota Kingdom: Metazoa Genus/species: Conus Textile
Experimental source: Production method: chemical synthesis
Entity Sequences (FASTA):
Conotoxin_TxIB: GCCSDPPCRNKHPDLCX
- assigned_chemical_shifts
| Data type | Count |
| 1H chemical shifts | 92 |
Additional metadata:
Assembly:
| Entity Assembly ID | Entity Name | Entity ID |
|---|---|---|
| 1 | Conotoxin_TxIB | 1 |
Entities:
Entity 1, Conotoxin_TxIB 17 residues - 1746.020 Da.
| 1 | GLY | CYS | CYS | SER | ASP | PRO | PRO | CYS | ARG | ASN | ||||
| 2 | LYS | HIS | PRO | ASP | LEU | CYS | NH2 |
Samples:
sample_1: Conotoxin_TxIB 3 mg; H2O 90%; D2O 10%
sample_conditions_1: ionic strength: 0 M; pH: 3.5; pressure: 1 atm; temperature: 280 K
Experiments:
| Name | Sample | Sample state | Sample conditions |
|---|---|---|---|
| 2D 1H-1H TOCSY | sample_1 | isotropic | sample_conditions_1 |
| 2D 1H-1H NOESY | sample_1 | isotropic | sample_conditions_1 |
| 2D DQF-COSY | sample_1 | isotropic | sample_conditions_1 |
Software:
CYANA, Guntert, Mumenthaler and Wuthrich - structure solution
CNSSOLVE, Brunger, Adams, Clore, Gros, Nilges and Read - refinement
MolProbity, Richardson - Structure validation
NMR spectrometers:
- Bruker Avance 600 MHz