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Structure of omega conotoxin Bu8
Authors
Liu, X., Jiang, L.
Assembly
Omega-conotoxin
Entity
1. Omega-conotoxin (polymer, Thiol state: all disulfide bound), 26 monomers, 2758.175 Da Detail

CKRKGSSCRR TSYDCCTGSC RNGKCX


Formula weight
2758.175 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS1:SG1:CYS16:SG
2disulfidesing1:CYS8:SG1:CYS20:SG
3disulfidesing1:CYS15:SG1:CYS25:SG

Source organism
Conus bullatus
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 92.3 %, Completeness: 90.8 %, Completeness (bb): 96.2 % Detail

Polymer type: polypeptide(L)

Total1H
All90.8 % (128 of 141)90.8 % (128 of 141)
Backbone96.2 % (51 of 53)96.2 % (51 of 53)
Sidechain87.5 % (77 of 88)87.5 % (77 of 88)
Aromatic50.0 % (2 of 4)50.0 % (2 of 4)
Methyl100.0 % (2 of 2)100.0 % (2 of 2)

1. Omega-conotoxin

CKRKGSSCRR TSYDCCTGSC RNGKCX

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 3.5, Details 50 mM sodium phosphate, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1Omega-conotoxinnatural abundanceprotein0.0 ~ 0.0 mM
2sodium phosphatenatural abundancebuffer50 mM
3H2Onatural abundancesolvent90 %
4D2O[U-2H]solvent10 %

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


Release date
2018-06-12
Citation
Solution structure of omega conotoxin bu8
Liu, X., Jiang, L.
Related entities 1. Omega-conotoxin, : 1 : 1 : 44 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords Conotoxin, TOXIN