BMRB Entry 36345

Title:
Solution structure of recombinant APETx1
Deposition date:
2020-04-14
Original release date:
2020-12-17
Authors:
Matsumura, K.; Kobayashi, N.; Kurita, J.; Nishimura, Y.; Yokogawa, M.; Imai, S.; Shimada, I.; Osawa, M.
Citation:

Citation: Matsumura, K.; Shimomura, T.; Kubo, Y.; Kobayashi, N.; Imai, S.; Yanase, N.; Akimoto, M.; Yokogawa, M.; Ikeda, I.; Kurita, J.; Nishimura, Y.; Shimada, I.; Osawa, M.. "Functional characterization for hERG inhibition by sea anemone gating-modifier toxin APETx1"  .

Assembly members:

Assembly members:
Kappa-actitoxin-Ael2a, polymer, 42 residues, 4561.226 Da.

Natural source:

Natural source:   Common Name: Green aggregating anemone   Taxonomy ID: 6110   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Anthopleura elegantissima

Experimental source:

Experimental source:   Production method: recombinant technology   Host organism: Escherichia coli

Entity Sequences (FASTA):

Entity Sequences (FASTA):
Kappa-actitoxin-Ael2a: GTTCYCGKTIGIYWFGTKTC PSNRGYTGSCGYFLGICCYP VD

Data sets:
Data typeCount
13C chemical shifts180
15N chemical shifts40
1H chemical shifts263

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1entity_11

Entities:

Entity 1, entity_1 42 residues - 4561.226 Da.

1   GLYTHRTHRCYSTYRCYSGLYLYSTHRILE
2   GLYILETYRTRPPHEGLYTHRLYSTHRCYS
3   PROSERASNARGGLYTYRTHRGLYSERCYS
4   GLYTYRPHELEUGLYILECYSCYSTYRPRO
5   VALASP

Samples:

sample_1: APETx1, [U-100% 13C; U-100% 15N], 0.691 mM; potassium phosphate 20 mM; sodium chloride 100 mM; H2O 90%; D2O, [U-2H], 10%

sample_conditions_1: ionic strength: 120 mM; pH: 6.0; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-15N HSQCsample_1isotropicsample_conditions_1
2D 1H-13C HSQC aliphaticsample_1isotropicsample_conditions_1
2D 1H-13C HSQC aromaticsample_1isotropicsample_conditions_1
3D HNCACBsample_1isotropicsample_conditions_1
3D CBCA(CO)NHsample_1isotropicsample_conditions_1
3D HNCOsample_1isotropicsample_conditions_1
3D HCCH-COSYsample_1isotropicsample_conditions_1
3D HCCH-TOCSYsample_1isotropicsample_conditions_1
3D 1H-15N NOESYsample_1isotropicsample_conditions_1
3D 1H-13C NOESY aliphaticsample_1isotropicsample_conditions_1
3D 1H-13C NOESY aromaticsample_1isotropicsample_conditions_1
3D 1H-15N TOCSYsample_1isotropicsample_conditions_1
3D 1H-13C NOESY aromaticsample_1isotropicsample_conditions_1
3D 1H-13C NOESY aliphaticsample_1isotropicsample_conditions_1
3D 1H-15N NOESYsample_1isotropicsample_conditions_1

Software:

Amber v12, Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman - refinement

CYANA v3.98, Guntert, Mumenthaler and Wuthrich - structure calculation

MAGRO v2.01.28, Kobayashi, N. - data analysis, peak picking

NMRPipe, Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax - processing

NMRView, Johnson, One Moon Scientific - data analysis

Sparky, Goddard - chemical shift assignment

TopSpin v3.5, Bruker Biospin - collection

NMR spectrometers:

  • Bruker AVANCE III HD 700 MHz
  • Bruker Avance 600 600 MHz

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