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Solution structure of a triple mutant of HwTx-IV - a potent blocker of Nav1.7
Authors
Rahnama, S., Sharma, G., Mobli, M.
Assembly
Mu-theraphotoxin-Hs2a
Entity
1. Mu-theraphotoxin-Hs2a (polymer), 35 monomers, 3992.718 Da Detail

GCLGIFKACN PSNDQCCKSS KLVCSRKTRW CKWQI


Formula weight
3992.718 Da
Source organism
Cyriopagopus schmidti
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 98.8 %, Completeness (bb): 98.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All98.8 % (413 of 418)99.1 % (220 of 222)98.1 % (153 of 156)100.0 % (40 of 40)
Backbone98.1 % (204 of 208)97.2 % (69 of 71)98.1 % (101 of 103)100.0 % (34 of 34)
Sidechain99.6 % (242 of 243)100.0 % (151 of 151)98.8 % (85 of 86)100.0 % (6 of 6)
Aromatic97.1 % (33 of 34)100.0 % (17 of 17)93.3 % (14 of 15)100.0 % (2 of 2)
Methyl100.0 % (24 of 24)100.0 % (12 of 12)100.0 % (12 of 12)

1. entity 1

GCLGIFKACN PSNDQCCKSS KLVCSRKTRW CKWQI

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 (±0) atm, Temperature 298 (±0.2) K, pH 5 (±0.1), Details 400 uM [U-99% 13C; U-99% 15N] [m3]-HwTx-IV, 20 mM sodium acetate, 5 % [U-100% 2H] D2O, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1D2O[U-100% 2H]5 (±0.5) %
2[m3]-HwTx-IV[U-99% 13C; U-99% 15N]400 (±10.0) uM
3sodium acetatenatural abundance20 (±1.0) mM

Protein Blocks Logo
Calculated from 20 models in PDB: 5T3M, Strand ID: A Detail


Release date
2016-11-10
Citation
The structure, dynamics and selectivity profile of a NaV1.7 potency-optimised huwentoxin-IV variant
Rahnama, S., Deuis, J.R., Cardoso, F.C., Ramanujam, V., Lewis, R.J., Rash, L.D., King, G.F., Vetter, I., Mobli, M.
PLoS One (2017), 12, e0173551-e0173551, PubMed 28301520 , DOI 10.1371/journal.pone.0173551 ,
Related entities 1. Mu-theraphotoxin-Hs2a, : 1 : 1 : 1 : 92 entities Detail
Experiments performed 13 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Toxin