BMRB

Biological Magnetic Resonance Data Bank


A Repository for Data from NMR Spectroscopy on Proteins, Peptides, Nucleic Acids, and other Biomolecules
Member of WWPDB

BMRB Entry 30728

Title: Structural characterization of novel conotoxin MIIIB derived from Conus magus

Deposition date: 2020-02-25 Original release date: 2021-01-29

Authors: Loening, N.

Citation: Zhang, R.; Espirtu, M.; Loening, N.; Kapono, C.; Bingham, J.. "Discovery and characterization of novel conotoxin MIIIB derived from Conus magus: The expansion of conotoxin diversity"  .

Assembly members:
entity_1, polymer, 23 residues, 2457.898 Da.

Natural source:   Common Name: Conus magus   Taxonomy ID: 6492   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Conus magus

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):
entity_1: MCCGEGSSCPKYFRNSQICH CCX

Data sets:
Data typeCount
13C chemical shifts63
15N chemical shifts20
1H chemical shifts135

Additional metadata:

  • Assembly
  • Samples and Experiments
  • Software
  • Spectrometers
  • Hide all

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 23 residues - 2457.898 Da.

1   METCYSCYSGLYGLUGLYSERSERCYSPRO
2   LYSTYRPHEARGASNSERGLNILECYSHIS
3   CYSCYSNH2

Samples:

sample_1: MIIIB Isomer F 2 mM; DSS 0.5 mM

sample_conditions_1: ionic strength: 0 mM; pH: 3.8; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-15N HSQCsample_1isotropicsample_conditions_1
2D 1H-13C HSQCsample_1isotropicsample_conditions_1

Software:

CNS v1.21, Brunger A. T. et.al. - refinement

ARIA v2.3, Linge, O'Donoghue and Nilges - structure calculation

CcpNmr Analysis v2.4.2, CCPN - chemical shift assignment, peak picking

NMR spectrometers:

  • Bruker AVANCE III HD 800 MHz

Download HSQC peak lists in one of the following formats:
CSV: Backbone or all simulated shifts
SPARKY: Backbone or all simulated shifts