High-resolution solution structure of the orally active insecticidal spider venom peptide U1-TRTX-Sp1a
ID | Type | Value order | Atom ID 1 | Atom ID 2 |
---|---|---|---|---|
1 | disulfide | sing | 1:CYS2:SG | 1:CYS20:SG |
2 | disulfide | sing | 1:CYS9:SG | 1:CYS25:SG |
3 | disulfide | sing | 1:CYS19:SG | 1:CYS30:SG |
Polymer type: polypeptide(L)
Total | 1H | 13C | 15N | |
---|---|---|---|---|
All | 75.4 % (273 of 362) | 97.4 % (187 of 192) | 43.5 % (60 of 138) | 81.3 % (26 of 32) |
Backbone | 75.5 % (145 of 192) | 97.0 % (65 of 67) | 56.8 % (54 of 95) | 86.7 % (26 of 30) |
Sidechain | 76.4 % (152 of 199) | 97.6 % (122 of 125) | 41.7 % (30 of 72) | 0.0 % (0 of 2) |
Aromatic | 50.0 % (10 of 20) | 100.0 % (10 of 10) | 0.0 % (0 of 10) | |
Methyl | 54.5 % (12 of 22) | 90.9 % (10 of 11) | 18.2 % (2 of 11) |
1. U1-TRTX-Sp1a
DCGHLHDPCP NDRPGHRTCC IGLQCRYGKC LVRSolvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298 K, pH 5.85
# | Name | Isotope labeling | Type | Concentration |
---|---|---|---|---|
1 | U1-TRTX-Sp1a | natural abundance | 700 uM | |
2 | potassium phosphate | natural abundance | 10 mM | |
3 | H2O | natural abundance | 95 % | |
4 | D2O | natural abundance | 5 % |