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Evidence for domain-specific recognition of SK and Kv channels by MTX and HsTx1 scorpion toxins
Authors
Regaya, I., Beeton, C., Ferrat, G., Andreotti, N., Chandy, G.K., Darbon, H., De Waard, M., Sabatier, J.M.
Assembly
MTx-HsTx1
Entity
1. MTx-HsTx1 (polymer, Thiol state: all disulfide bound), 34 monomers, 3793.494 Da Detail

VSCTGSKDCY APCRKQTGCP YGKCMNRKCK CNRC


Formula weight
3793.494 Da
Entity Connection
disulfide 4 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS3:SG1:CYS24:SG
2disulfidesing1:CYS9:SG1:CYS29:SG
3disulfidesing1:CYS13:SG1:CYS31:SG
4disulfidesing1:CYS19:SG1:CYS34:SG

Source organism
Heterometrus spinifer
Exptl. method
NMR
Refine. method
distance geometry, molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 72.4 %, Completeness (bb): 97.1 % Detail

Polymer type: polypeptide(L)

Total1H
All72.4 % (147 of 203)72.4 % (147 of 203)
Backbone97.1 % (67 of 69)97.1 % (67 of 69)
Sidechain59.7 % (80 of 134)59.7 % (80 of 134)
Aromatic50.0 % (4 of 8)50.0 % (4 of 8)
Methyl80.0 % (4 of 5)80.0 % (4 of 5)

1. MTx-HsTx1

VSCTGSKDCY APCRKQTGCP YGKCMNRKCK CNRC

Sample

Temperature 300 (±0) K, pH 3 (±0)


#NameIsotope labelingTypeConcentration
1MTx-HsTx10.0 ~ 0.0 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 1WPD, Strand ID: A Detail


Release date
2004-10-10
Citation
Evidence for domain-specific recognition of SK and Kv channels by MTX and HsTx1 scorpion toxins
Regaya, I., Beeton, C., Ferrat, G., Andreotti, N., Darbon, H., De Waard, M., Sabatier, J.M.
J. Biol. Chem. (2004), 279, 55690-55696, PubMed 15498765 , DOI 10.1074/jbc.M410055200 ,
Entries sharing articles Swiss-Prot: 2 entries Detail
  Swiss-Prot: P59867 released on 2003-09-26
    Title KAX63_HETSP Entity Potassium channel toxin alpha-KTx 6.3
  Swiss-Prot: P80719 released on 1997-11-01
    Title KAX62_SCOMA Entity Potassium channel toxin alpha-KTx 6.2
Related entities 1. MTx-HsTx1, : 1 : 138 entities Detail
Experiments performed 3 experiments Detail
nullKeywords Neurotoxin, chimera