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Solution structure of K1 lobe of double-knot toxin
Authors
Bae, C., Anselmi, C., Kalia, J., Jara-Oseguera, A., Schwieters, C.D., Krepkiy, D., Lee, C., Kim, E., Kim, J., Faraldo-Gomez, J.D., Swartz, K.J.
Assembly
K1
Entity
1. K1 (polymer, Thiol state: all disulfide bound), 42 monomers, 4877.655 Da Detail

DCAKEGEVCS WGKKCCDLDN FYCPMEFIPH CKKYKPYVPV TT


Formula weight
4877.655 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS16:SG
2disulfidesing1:CYS9:SG1:CYS23:SG
3disulfidesing1:CYS15:SG1:CYS31:SG

Source organism
Haplopelma schmidti
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 90.9 %, Completeness (bb): 100.0 % Detail

Polymer type: polypeptide(L)

Total1H
All90.9 % (239 of 263)90.9 % (239 of 263)
Backbone100.0 % (82 of 82)100.0 % (82 of 82)
Sidechain86.7 % (157 of 181)86.7 % (157 of 181)
Aromatic96.7 % (29 of 30)96.7 % (29 of 30)
Methyl92.3 % (12 of 13)92.3 % (12 of 13)

1. K1

DCAKEGEVCS WGKKCCDLDN FYCPMEFIPH CKKYKPYVPV TT

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 4.0


#NameIsotope labelingTypeConcentration
1K1natural abundance1 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 2N9Z, Strand ID: A Detail


Release date
2016-02-28
Citation
Structural insights into the mechanism of activation of the TRPV1 channel by a membrane-bound tarantula toxin
Bae, C., Anselmi, C., Kalia, J., Jara-Oseguera, A., Schwieters, C.D., Krepkiy, D., Lee, C., Kim, E., Kim, J., Faraldo-Gomez, J.D., Swartz, K.J.
Elife (2016), 5, e11273-e11273, PubMed 26880553 , DOI 10.7554/eLife.11273 ,
Related entities 1. K1, : 1 : 2 : 4 entities Detail
Interaction partners 1. K1, : 1 interactors Detail
Experiments performed 3 experiments Detail
NMR combined restraints 4 contents Detail
Keywords DkTx, ICK, K1, double-knot toxin, spider, tarantula, toxins, trpv1