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Solution NMR structure of PaurTx-3
Authors
Agwa, A.J., Schroeder, C.I.
Assembly
Beta-theraphotoxin-Ps1a
Entity
1. Beta-theraphotoxin-Ps1a (polymer, Thiol state: not present), 34 monomers, 4065.767 Da Detail

DCLGFLWKCN PSNDKCCRPN LVCSRKDKWC KYQI


Formula weight
4065.767 Da
Source organism
Paraphysa scrofa
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 81.7 %, Completeness (bb): 80.0 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All81.7 % (344 of 421)96.4 % (217 of 225)58.9 % (93 of 158)89.5 % (34 of 38)
Backbone80.0 % (160 of 200)98.5 % (66 of 67)62.4 % (63 of 101)96.9 % (31 of 32)
Sidechain85.0 % (216 of 254)95.6 % (151 of 158)68.9 % (62 of 90)50.0 % (3 of 6)
Aromatic47.6 % (20 of 42)85.7 % (18 of 21) 0.0 % (0 of 19)100.0 % (2 of 2)
Methyl100.0 % (20 of 20)100.0 % (10 of 10)100.0 % (10 of 10)

1. Beta-theraphotoxin-Ps1a

DCLGFLWKCN PSNDKCCRPN LVCSRKDKWC KYQI

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 4, Details 1 mg/mL PaurTx-3, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1PaurTx-3natural abundance1 mg/mL
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 4, Details 1 mg/mL PaurTx-3, 100% D2O


#NameIsotope labelingTypeConcentration
2PaurTx-3natural abundance1 mg/mL

Protein Blocks Logo
Calculated from 20 models in PDB: 5WE3, Strand ID: A Detail


Release date
2017-07-19
Citation
Gating modifier toxins isolated from spider venom: modulation of voltage-gated sodium channels and the role of lipid membranes
Agwa, A., Peigneur, S., Chow, C., Lawrence, N., Craik, D., Tytgat, J., King, G., Henriques, S., Schroeder, C.
J. Biol. Chem. (2018), 293, 9041-9052, PubMed 29703751 , DOI 10.1074/jbc.RA118.002553 ,
Related entities 1. Beta-theraphotoxin-Ps1a, : 1 : 1 : 101 entities Detail
Experiments performed 14 experiments Detail
NMR combined restraints 4 contents Detail
Keywords Disulfide rich peptides, TOXIN, pain, rational drug design, serum stability, spider venom, trimolecular complex, voltage-gated ion channels