BMRB

Biological Magnetic Resonance Data Bank


A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
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BMRB Entry 17581

Title: Solution structure of the skeletal muscle and neuronal voltage gated sodium channel antagonist mu-conotoxin CnIIIC   PubMed: 22229737

Deposition date: 2011-04-08 Original release date: 2012-05-09

Authors: Favreau, P.; Benoit, E.; Hocking, Henry; Carlier, L.; D'hoedt, D.; Leipold, E.; Markgraf, R.; Schlumberger, S.; Cordova, M.; Gaertner, H.; Paolini-bertrand, M.; Hartley, O.; Tytgat, J.; Heinemann, S.; Bertrand, D.; Boelens, R.; Stocklin, R.; Molgo, J.

Citation: Favreau, Philippe; Benoit, Evelyne; Hocking, Henry; Carlier, Ludovic; Leipold, Dieter; Markgraf, Enrico; Schlumberger, Rene; Cordova, Sebastien; Gaertner, Marco; Paolini-Bertrand, Hubert; Hartley, Marianne; Tytgat, Oliver; Heinemann, Jan; Bertrand, Stefan; Boelens, Daniel; Stocklin, Rolf; Molgo, Reto. "A novel -conopeptide, CnIIIC, exerts potent and preferential inhibition of NaV1.2/1.4 channels and blocks neuronal nicotinic acetylcholine receptors."  Br. J. Pharmacol. 166, 1654-1668 (2012).

Assembly members:
MU-CONOTOXIN_CNIIIC, polymer, 23 residues, 2378.7115 Da.

Natural source:   Common Name: gastropods   Taxonomy ID: 101297   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Conus consors

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):
MU-CONOTOXIN_CNIIIC: EGCCNGPKGCSSKWCRDHAR CCX

Data sets:
Data typeCount
13C chemical shifts11
1H chemical shifts116

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
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Assembly:

Entity Assembly IDEntity NameEntity ID
1MU-CONOTOXIN CNIIIC1

Entities:

Entity 1, MU-CONOTOXIN CNIIIC 23 residues - 2378.7115 Da.

1   GLUGLYCYSCYSASNGLYPROLYSGLYCYS
2   SERSERLYSTRPCYSARGASPHISALAARG
3   CYSCYSPCA

Samples:

sample_1: MU-CONOTOXIN_CNIIIC, [U-13C; U-15N], 1.3 mM

sample_conditions_1: ionic strength: 0.0 mM; pH: 4.000; pressure: 1 atm; temperature: 278.000 K

Experiments:

NameSampleSample stateSample conditions
NOESYsample_1solutionsample_conditions_1
DQF-COSYsample_1solutionsample_conditions_1
e-COSYsample_1solutionsample_conditions_1
TOCSYsample_1solutionsample_conditions_1

Software:

AutoDep v4.3, PDBe - collection

CNS vany, BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- - refinement

CYANA vany, Guntert, Mumenthaler and Wuthrich - data analysis

SPARKY vany, Goddard - chemical shift assignment

NMR spectrometers:

  • Bruker Avance 750 MHz

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