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Solution structure of protoxin-1
Authors
Daly, N.
Assembly
protoxin-1
Entity
1. protoxin-1 (polymer), 35 monomers, 3993.539 Da Detail

ECRYWLGGCS AGQTCCKHLV CSRRHGWCVW DGTFS


Formula weight
3993.539 Da
Source organism
Thrixopelma pruriens
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 78.5 %, Completeness (bb): 81.4 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All78.5 % (306 of 390)95.0 % (190 of 200)55.6 % (84 of 151)82.1 % (32 of 39)
Backbone81.4 % (171 of 210)97.3 % (73 of 75)66.0 % (66 of 100)91.4 % (32 of 35)
Sidechain78.1 % (164 of 210)93.6 % (117 of 125)58.0 % (47 of 81) 0.0 % (0 of 4)
Aromatic45.2 % (28 of 62)90.3 % (28 of 31) 0.0 % (0 of 28) 0.0 % (0 of 3)
Methyl86.4 % (19 of 22)100.0 % (11 of 11)72.7 % (8 of 11)

1. entity

ECRYWLGGCS AGQTCCKHLV CSRRHGWCVW DGTFS

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 5


#NameIsotope labelingTypeConcentration
1protoxin-1natural abundance0.5 mM
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 5


#NameIsotope labelingTypeConcentration
2protoxin-1natural abundance0.5 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 2M9L, Strand ID: A Detail


Release date
2014-04-27
Citation
A tarantula-venom peptide antagonizes the TRPA1 nociceptor ion channel by binding to the S1-S4 gating domain
Gui, J., Liu, B., Cao, G., Lipchik, A.M., Perez, M., Dekan, Z., Mobli, M., Daly, N.L., Alewood, P.F., Parker, L.L., King, G.F., Zhou, Y., Jordt, S., Nitabach, M.N.
Curr. Biol. (2014), 24, 473-483, PubMed 24530065 , DOI 10.1016/j.cub.2014.01.013 ,
Related entities 1. protoxin-1, : 1 : 1 : 125 entities Detail
Experiments performed 7 experiments Detail
NMR combined restraints 4 contents Detail
Keywords beta hairpin