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High-resolution solution structure of the orally active insecticidal spider venom peptide U1-TRTX-Sp1a
Authors
Hardy, M.C., Daly, N.L., Mobli, M.
Assembly
U1-TRTX-Sp1a
Entity
1. U1-TRTX-Sp1a (polymer, Thiol state: all disulfide bound), 33 monomers, 3724.288 Da Detail

DCGHLHDPCP NDRPGHRTCC IGLQCRYGKC LVR


Formula weight
3724.288 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS20:SG
2disulfidesing1:CYS9:SG1:CYS25:SG
3disulfidesing1:CYS19:SG1:CYS30:SG

Source organism
Selenotypus plumipes
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 75.4 %, Completeness (bb): 75.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All75.4 % (273 of 362)97.4 % (187 of 192)43.5 % (60 of 138)81.3 % (26 of 32)
Backbone75.5 % (145 of 192)97.0 % (65 of 67)56.8 % (54 of 95)86.7 % (26 of 30)
Sidechain76.4 % (152 of 199)97.6 % (122 of 125)41.7 % (30 of 72) 0.0 % (0 of 2)
Aromatic50.0 % (10 of 20)100.0 % (10 of 10) 0.0 % (0 of 10)
Methyl54.5 % (12 of 22)90.9 % (10 of 11)18.2 % (2 of 11)

1. U1-TRTX-Sp1a

DCGHLHDPCP NDRPGHRTCC IGLQCRYGKC LVR

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298 K, pH 5.85


#NameIsotope labelingTypeConcentration
1U1-TRTX-Sp1anatural abundance700 uM
2potassium phosphatenatural abundance10 mM
3H2Onatural abundance95 %
4D2Onatural abundance5 %

Protein Blocks Logo
Calculated from 20 models in PDB: 2LL1, Strand ID: A Detail


Release date
2012-10-21
Citation
High-resolution solution structure of the orally active insecticidal spider venom peptide U1-TRTX-Sp1a
Hardy, M.C., Daly, N.L., Mobli, M., King, G.F.
Not known
Related entities 1. U1-TRTX-Sp1a, : 1 : 1 : 5 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 3 contents Detail
Keywords Araneae, nmr, spider venom, Theraphosidae, toxin