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Solution structure of scoloptoxin SSD609 from Scolopendra mutilans
Authors
Wu, F., Sun, P., Wang, C., He, Y., Zhang, L., Tian, C.
Assembly
scoloptoxin SSD609 from Scolopendra mutilans
Entity
1. scoloptoxin SSD609 from Scolopendra mutilans (polymer, Thiol state: free and disulfide bound), 47 monomers, 5630.267 Da Detail

ADDKCEDSLR REIACTKCRD RVRTDDYFYE CCTSESTFKK CQTMLHQ


Formula weight
5630.267 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS5:SG1:CYS32:SG
2disulfidesing1:CYS15:SG1:CYS31:SG
3disulfidesing1:CYS18:SG1:CYS41:SG

Source organism
Scolopendra subspinipes
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 77.1 %, Completeness (bb): 97.9 % Detail

Polymer type: polypeptide(L)

Total1H
All77.1 % (219 of 284)77.1 % (219 of 284)
Backbone97.9 % (92 of 94)97.9 % (92 of 94)
Sidechain66.8 % (127 of 190)66.8 % (127 of 190)
Aromatic20.0 % (4 of 20)20.0 % (4 of 20)
Methyl86.7 % (13 of 15)86.7 % (13 of 15)

1. SSD609

ADDKCEDSLR REIACTKCRD RVRTDDYFYE CCTSESTFKK CQTMLHQ

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7.0


#NameIsotope labelingTypeConcentration
1SSD609natural abundance1 mM
2TRISnatural abundance50 mM
3sodium chloridenatural abundance100 mM
4calcium chloridenatural abundance5 mM
5H2Onatural abundance90 %
6D2Onatural abundance10 %

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


Release date
2015-09-03
Citation
A distinct three-helix centipede toxin SSD609 inhibits I(ks) channels by interacting with the KCNE1 auxiliary subunit
Sun, P., Wu, F., Wen, M., Yang, X., Wang, C., Li, Y., He, S., Zhang, L., Zhang, Y., Tian, C.
Sci. Rep. (2015), 5, 13399-13399, PubMed 26307551 , DOI 10.1038/srep13399 ,
Related entities 1. scoloptoxin SSD609 from Scolopendra mutilans, : 1 : 14 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords Peptide, SSD609, Scolopendra mutilans, Scoloptoxin, Solution Structure