BMRB Entry 31170

Title:
Solution NMR structure of halichondamide A, a fused bicyclic cysteine knot undecapeptide from the marine sponge Halichondria bowerbanki
Deposition date:
2024-04-21
Original release date:
2024-08-13
Authors:
Agarwal, V.; McShan, A.; Zhong, W.
Citation:

Citation: Agarwal, V.; McShan, A.; Zhong, W.. "Discovery and folding dynamics of a fused bicyclic cysteine knot undecapeptide from the marine sponge Halichondria bowerbanki"  .

Assembly members:

Assembly members:
entity_1, polymer, 11 residues, 1326.672 Da.

Natural source:

Natural source:   Common Name: Halichondria bowerbanki   Taxonomy ID: 145470   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Halichondria bowerbanki

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Entity Sequences (FASTA):
entity_1: CPWIIWCCLSC

Data sets:
Data typeCount
13C chemical shifts42
15N chemical shifts8
1H chemical shifts76

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 11 residues - 1326.672 Da.

1   CYSPROTRPILEILETRPCYSCYSLEUSER
2   CYS

Samples:

sample_1: halichondamide A 10 g/L

sample_conditions_1: ionic strength: 0 Not defined; pH: 7.4; pressure: 1 atm; temperature: 298.15 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H ROESYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-13C HSQCsample_1isotropicsample_conditions_1
2D 1H-15N HSQCsample_1isotropicsample_conditions_1

Software:

Sparky, Goddard - chemical shift assignment

CYANA, Guntert, Mumenthaler and Wuthrich - structure calculation

Rosetta, Baker - refinement

NMR spectrometers:

  • Bruker AVANCE III HD 700 MHz

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