BMRB Entry 36047

Title:
Solution NMR structure of peptide toxin SsTx from Scolopendra subspinipes mutilans
Deposition date:
2017-01-23
Original release date:
2018-01-22
Authors:
Wu, F.; Luo, L.; Qu, D.; Zhang, L.; Tian, C.; Lai, R.
Citation:

Citation: Luo, Lei; Li, Bowen; Wang, Sheng; Wu, Fangming; Wang, Xiaochen; Liang, Ping; Ombati, Rose; Chen, Junji; Lu, Xiancui; Cui, Jianmin; Lu, Qiumin; Zhang, Longhua; Zhou, Ming; Tian, Changlin; Yang, Shilong; Lai, Ren. "Centipedes subdue giant prey by blocking KCNQ channels"  Proc. Natl. Acad. Sci. U. S. A. 115, 1646-1651 (2018).
PubMed: 29358396

Assembly members:

Assembly members:
SsTx, polymer, 53 residues, 6032.960 Da.

Natural source:

Natural source:   Common Name: Scolopendra mutilans   Taxonomy ID: 251420   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Scolopendra mutilans

Experimental source:

Experimental source:   Production method: chemical synthesis

Entity Sequences (FASTA):

Data sets:
Data typeCount
1H chemical shifts296

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1entity_11

Entities:

Entity 1, entity_1 53 residues - 6032.960 Da.

1   GLUVALILELYSLYSASPTHRPROTYRLYS
2   LYSARGLYSPHEPROTYRLYSSERGLUCYS
3   LEULYSALACYSALATHRSERPHETHRGLY
4   GLYASPGLUSERARGILEGLNGLUGLYLYS
5   PROGLYPHEPHELYSCYSTHRCYSTYRPHE
6   THRTHRGLY

Samples:

sample_1: SsTx 5 mM; sodium chloride 50 ± 2 mM; sodium phosphate 50 ± 2 mM; H2O 90%; D2O, [U-2H], 10%

sample_conditions_1: ionic strength: 0.35 M; pH: 7.4; pressure: 1 atm; temperature: 298 K

Experiments:

NameSampleSample stateSample conditions
2D DQF-COSYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-1H NOESYsample_1isotropicsample_conditions_1

Software:

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

SPARKY, Goddard - chemical shift assignment

VNMR, Varian - collection

X-PLOR NIH, Schwieters, Kuszewski, Tjandra and Clore - structure calculation

NMR spectrometers:

  • Varian INOVA 700 MHz