BMRB Entry 34776

Title:
Spider toxin Pha1b (PnTx3-6) from Phoneutria nigriventer targeting CaV2.x calcium channels and TRPA1 channel
Deposition date:
2022-12-06
Original release date:
2023-06-15
Authors:
Mironov, P.; Chernaya, E.; Paramonov, A.; Shenkarev, Z.
Citation:

Citation: Lyukmanova, Ekaterina; Mironov, Pavel; Kulbatskii, Dmitrii; Shulepko, Mikhail; Paramonov, Alexander; Chernaya, Elizaveta; Logashina, Yulia; Andreev, Yaroslav; Kirpichnikov, Mikhail; Shenkarev, Zakhar. "Recombinant Production, NMR Solution Structure, and Membrane Interaction of the Pha1b Toxin, a TRPA1 Modulator from the Brazilian Armed Spider Phoneutria nigriventer"  Toxins (Basel) 15, 378-378 (2023).
PubMed: 37368679

Assembly members:

Assembly members:
entity_1, polymer, 55 residues, 6055.089 Da.

Natural source:

Natural source:   Common Name: Brazilian armed spider   Taxonomy ID: 6918   Superkingdom: Eukaryota   Kingdom: Metazoa   Genus/species: Phoneutria nigriventer

Experimental source:

Experimental source:   Production method: recombinant technology   Host organism: Escherichia coli   Vector: pET-32a(+)

Entity Sequences (FASTA):

Data sets:
Data typeCount
13C chemical shifts145
15N chemical shifts57
1H chemical shifts335

Additional metadata:

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

Assembly:

Entity Assembly IDEntity NameEntity ID
1unit_11

Entities:

Entity 1, unit_1 55 residues - 6055.089 Da.

1   ALACYSILEPROARGGLYGLUILECYSTHR
2   ASPASPCYSGLUCYSCYSGLYCYSASPASN
3   GLNCYSTYRCYSPROPROGLYSERSERLEU
4   GLYILEPHELYSCYSSERCYSALAHISALA
5   ASNLYSTYRPHECYSASNARGLYSLYSGLU
6   LYSCYSLYSLYSALA

Samples:

sample_1: Pha1b 1.7 mM; D2O, [U-99% 2H], 5%

sample_2: Pha1b, [U-100% 15N], 2.7 mM; D2O, [U-99% 2H], 5%; sodium acetate 20 uM

sample_conditions_1: ionic strength: 1 mM; pH: 4.5; pressure: 1 atm; temperature: 303 K

Experiments:

NameSampleSample stateSample conditions
2D 1H-1H NOESYsample_1isotropicsample_conditions_1
2D 1H-1H TOCSYsample_1isotropicsample_conditions_1
2D 1H-13C HSQCsample_1isotropicsample_conditions_1
3D 1H-15N NOESYsample_2isotropicsample_conditions_1
3D 1H-15N TOCSYsample_2isotropicsample_conditions_1
2D 1H-15N HSQCsample_2isotropicsample_conditions_1

Software:

CYANA v3.98.13, Guntert, Mumenthaler and Wuthrich - refinement, structure calculation

CARA v1.9.1.7, Keller and Wuthrich - chemical shift assignment, peak picking

TopSpin v4.0.7, Bruker Biospin - processing

NMR spectrometers:

  • Bruker AVANCE III 600 MHz

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