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NMR structure of the scorpion toxin AmmTx3
Authors
Landon, C., Meudal, H.
Assembly
Potassium channel toxin alpha-KTx 15.3
Entity
1. Potassium channel toxin alpha-KTx 15.3 (polymer, Thiol state: all disulfide bound), 37 monomers, 3828.512 Da Detail

XIETNKKCQG GSCASVCRKV IGVAAGKCIN GRCVCYP


Formula weight
3828.512 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS8:SG1:CYS28:SG
2disulfidesing1:CYS13:SG1:CYS33:SG
3disulfidesing1:CYS17:SG1:CYS35:SG

Source organism
Androctonus mauritanicus mauritanicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.3 %, Completeness: 97.5 %, Completeness (bb): 97.3 % Detail

Polymer type: polypeptide(L)

Total1H15N
All97.5 % (232 of 238)99.5 % (199 of 200)86.8 % (33 of 38)
Backbone97.3 % (108 of 111)98.7 % (75 of 76)94.3 % (33 of 35)
Sidechain97.6 % (124 of 127)100.0 % (124 of 124) 0.0 % (0 of 3)
Aromatic100.0 % (4 of 4)100.0 % (4 of 4)
Methyl100.0 % (18 of 18)100.0 % (18 of 18)

1. entity 1

XIETNKKCQG GSCASVCRKV IGVAAGKCIN GRCVCYP

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 4.5, Details 1.2 mM AmmTx3, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1AmmTx3natural abundance1.2 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 6GGZ, Strand ID: 1 Detail


Release date
2019-01-21
Citation
Synthesis by native chemical ligation and characterization of the scorpion toxin AmmTx3
Zoukimian, C., Meudal, H., De Waard, S., Ouares, K.A., Nicolas, S., Canepari, M., Beroud, R., Landon, C., De Waard, M., Boturyn, D.
Bioorg. Med. Chem. (2019), 27, 247-253, PubMed 30529150 , DOI 10.1016/j.bmc.2018.12.009 ,
Related entities 1. Potassium channel toxin alpha-KTx 15.3, : 1 : 1 : 97 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords TOXIN, scorpion toxin CSab fold