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Solution NMR structures for CcoTx-II
Authors
Agwa, A.J., Schroeder, C.I.
Assembly
Beta-theraphotoxin-Cm1a
Entity
1. Beta-theraphotoxin-Cm1a (polymer), 34 monomers, 4097.707 Da Detail

DCLGWFKSCD PKNDKCCKNY TCSRRDRWCK YYLX


Formula weight
4097.707 Da
Source organism
Ceratogyrus marshalli
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.1 %, Completeness: 78.5 %, Completeness (bb): 80.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All78.5 % (321 of 409)92.2 % (201 of 218)56.1 % (87 of 155)91.7 % (33 of 36)
Backbone80.6 % (158 of 196)95.5 % (63 of 66)65.3 % (64 of 98)96.9 % (31 of 32)
Sidechain79.6 % (195 of 245)90.8 % (138 of 152)61.8 % (55 of 89)50.0 % (2 of 4)
Aromatic53.4 % (31 of 58)100.0 % (29 of 29) 0.0 % (0 of 27)100.0 % (2 of 2)
Methyl100.0 % (10 of 10)100.0 % (5 of 5)100.0 % (5 of 5)

1. entity 1

DCLGWFKSCD PKNDKCCKNY TCSRRDRWCK YYLX

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 Pa, Temperature 298 K, pH 6, Details 0.1 mg/mL CcoTx-II, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1CcoTx-IInatural abundance0.1 mg/mL
Sample #2

Solvent system 100% D2O, Pressure 1 Pa, Temperature 298 K, pH 6, Details 0.1 mg/mL CcoTx-II, 100% D2O


#NameIsotope labelingTypeConcentration
2CcoTx-IInatural abundance0.1 mg/mL

Protein Blocks Logo
Calculated from 20 models in PDB: 6BTV, Strand ID: A Detail


Release date
2018-01-08
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 ,
Entries sharing articles BMRB: 2 entries Detail
  BMRB: 30376 released on 2018-02-01
    Title CcoTx-I
  BMRB: 30317 released on 2017-07-19
    Title Solution NMR structure of PaurTx-3
Related entities 1. Beta-theraphotoxin-Cm1a, : 1 : 3 : 131 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 5 contents Detail
Keywords ICK, NaV1.7, disulfide, pain, spider, toxin, voltage gated ion channel