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NMR solution structure of natural scorpion toxin Cl13
Authors
del Rio Portilla, F., Delepierre, M., Lopez Giraldo, A.E.
Assembly
Beta-toxin Cl13
Entity
1. Beta-toxin Cl13 (polymer, Thiol state: all disulfide bound), 67 monomers, 7853.932 Da Detail

KEGYLVDYHT GCKYTCAKLG DNDYCVRECR LRYYQSAHGY CYAFACWCTH LYEQAVVWPL PNKRCKX


Formula weight
7853.932 Da
Entity Connection
disulfide 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS12:SG1:CYS65:SG
2disulfidesing1:CYS16:SG1:CYS41:SG
3disulfidesing1:CYS25:SG1:CYS46:SG
4disulfidesing1:CYS29:SG1:CYS48:SG

Source organism
Centruroides limpidus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 98.5 %, Completeness: 87.2 %, Completeness (bb): 81.1 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All87.2 % (685 of 786)98.3 % (400 of 407)71.2 % (220 of 309)92.9 % (65 of 70)
Backbone81.1 % (318 of 392)97.0 % (130 of 134)65.5 % (127 of 194)95.3 % (61 of 64)
Sidechain93.9 % (428 of 456)98.9 % (270 of 273)87.0 % (154 of 177)66.7 % (4 of 6)
Aromatic83.9 % (99 of 118)98.3 % (58 of 59)68.4 % (39 of 57)100.0 % (2 of 2)
Methyl100.0 % (52 of 52)100.0 % (26 of 26)100.0 % (26 of 26)

1. entity 1

KEGYLVDYHT GCKYTCAKLG DNDYCVRECR LRYYQSAHGY CYAFACWCTH LYEQAVVWPL PNKRCKX

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 288 K, pH 4.7, Details 2.5 mM Cl13, 95% H2O/5% D2O


#NameIsotope labelingTypeConcentration
1Cl13natural abundance2.5 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 6VXW, Strand ID: A Detail


Release date
2020-06-29
Citation
The three-dimensional structure of the toxic peptide Cl13 from the scorpion Centruroides limpidus
Lopez-Giraldo, A.E., Olamendi-Portugal, T., Riano-Umbarila, L., Becerril, B., Possani, L.D., Delepierre, M., Rio-Portilla, F.D.
Toxicon. (2020), 184, 158-166, PubMed 32569846 , DOI 10.1016/j.toxicon.2020.06.011 ,
Related entities 1. Beta-toxin Cl13, : 1 : 123 entities Detail
Experiments performed 22 experiments Detail
Chemical shift validation 3 contents Detail
Keywords TOXIN, sodium beta toxin