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Solution structure of MeuNaTxalpha-1 toxin from Mesobuthus Eupeus
Authors
Mineev, K.S., Kuzmenkov, A.I., Khusainov, G.A., Arseniev, A.S., Vassilevski, A.A.
Assembly
Sodium channel neurotoxin MeuNaTxalpha-1
Entity
1. Sodium channel neurotoxin MeuNaTxalpha-1 (polymer, Thiol state: all disulfide bound), 64 monomers, 7186.065 Da Detail

VRDGYIADDK NCAYFCGRNA YCDEECKKKG AESGYCQWAG QYGNACWCYK LPDKVPIKVS GKCN


Formula weight
7186.065 Da
Entity Connection
disulfide 5 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS12:SG1:CYS63:SG
2disulfidesing1:CYS16:SG1:CYS22:SG
3disulfidesing1:CYS16:SG1:CYS36:SG
4disulfidesing1:CYS22:SG1:CYS46:SG
5disulfidesing1:CYS26:SG1:CYS48:SG

Source organism
Mesobuthus eupeus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 98.4 %, Completeness: 83.0 %, Completeness (bb): 73.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All83.0 % (606 of 730)97.9 % (374 of 382)60.5 % (167 of 276)90.3 % (65 of 72)
Backbone73.2 % (278 of 380)97.0 % (129 of 133)50.3 % (93 of 185)90.3 % (56 of 62)
Sidechain94.3 % (384 of 407)98.4 % (245 of 249)87.8 % (130 of 148)90.0 % (9 of 10)
Aromatic82.9 % (68 of 82)100.0 % (41 of 41)64.1 % (25 of 39)100.0 % (2 of 2)
Methyl100.0 % (36 of 36)100.0 % (18 of 18)100.0 % (18 of 18)

1. entity 1

VRDGYIADDK NCAYFCGRNA YCDEECKKKG AESGYCQWAG QYGNACWCYK LPDKVPIKVS GKCN

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 303 K, pH 7 (±0.1), Details 2 mM MeuNaTx1, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1MeuNaTx1natural abundance2 (±0.2) mM

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


Release date
2020-07-12
Citation
Evolutionary diversification of Mesobuthus α-scorpion toxins affecting sodium channels
Mineev, K.S., Kuzmenkov, A.I., Khusainov, G.A., Arseniev, A.S., Vassilevski, A.A.
Mol. Cell. Proteomics. (2012), 11, M111.012054-M111.012054, PubMed 21969612 , DOI 10.1074/mcp.M111.012054 ,
Entries sharing articles BMRB: 1 entries Detail
  BMRB: 17988 released on 2011-11-16
    Title Evolutionary diversification of Mesobuthus {alpha}-scorpion toxins affecting sodium channels.
Related entities 1. Sodium channel neurotoxin MeuNaTxalpha-1, : 1 : 1 : 1 : 165 entities Detail
Experiments performed 5 experiments Detail
Chemical shift validation 3 contents Detail
Keywords Sodium channel blocker, Toxin, alpha-toxin