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Solution structure Analysis of the ImKTx104
Authors
Zeng, D.Y., Jiang, L.
Assembly
Acidic Scorpion Potassium Channel Toxins
Entity
1. Acidic Scorpion Potassium Channel Toxins (polymer, Thiol state: all disulfide bound), 27 monomers, 2926.431 Da Detail

ACVTHEDCTL LCYDTIGTCV DGKCKCM


Formula weight
2926.431 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS19:SG
2disulfidesing1:CYS8:SG1:CYS24:SG
3disulfidesing1:CYS12:SG1:CYS26:SG

Source organism
Lychas mucronatus
Exptl. method
solution NMR
Refine. method
simulated annealing, energy minimization
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 96.3 %, Completeness: 94.2 %, Completeness (bb): 94.6 % Detail

Polymer type: polypeptide(L)

Total1H
All94.2 % (131 of 139)94.2 % (131 of 139)
Backbone94.6 % (53 of 56)94.6 % (53 of 56)
Sidechain94.0 % (78 of 83)94.0 % (78 of 83)
Aromatic33.3 % (2 of 6)33.3 % (2 of 6)
Methyl100.0 % (15 of 15)100.0 % (15 of 15)

1. entity 1

ACVTHEDCTL LCYDTIGTCV DGKCKCM

Sample

Solvent system 90% H2O, 10% D2O, Temperature 300 K, pH 5, Details 20mM phosphate buffer (pH 5); 90% H2O, 10% D2O


#NameIsotope labelingTypeConcentration
1entity_1[U-15N]2 mM
2sodium phosphatenatural abundance20 mM
3H2Onatural abundance90 % v/v
4D2O[U-99% 2H]10 % v/v

Protein Blocks Logo
Calculated from 20 models in PDB: 2LIX, Strand ID: A Detail


Release date
2012-07-22
Citation
Structural and functional diversity of acidic scorpion potassium channel toxins
Chen, Z.Y., Zeng, D.Y., Hu, Y.T., He, Y., Pan, N., Ding, J.W., Cao, Z.P., Liu, M.J., Li, W.L., Yi, H.X., Jiang, L., Wu, Y.L.
PLoS One (2012), 7, e35154-e35154, PubMed 22511981 , DOI 10.1371/journal.pone.0035154 ,
Entries sharing articles Swiss-Prot: 12 entries Detail
  Swiss-Prot: P0DL33 released on 2013-11-13
    Title KA301_SCOR Entity Neurotoxin alpha-KTx 30.1
  Swiss-Prot: P0DL34 released on 2013-11-13
    Title KA302_SCOJE Entity Neurotoxin alpha-KTx 30.2
  Swiss-Prot: P0DL35 released on 2013-11-13
    Title KA303_SCOJE Entity Neurotoxin alpha-KTx 30.3
  Swiss-Prot: R4GUQ1 released on 2013-11-13
    Title KA292_LYCMC Entity Neurotoxin alpha-KTx 29.2
  Swiss-Prot: R4GUQ3 released on 2013-11-13
    Title KA281_ISOMC Entity Neurotoxin alpha-KTx 28.1
  Swiss-Prot: P0DJ34 released on 2012-04-18
    Title KKX27_HETPE Entity Potassium channel toxin kappa-KTx 2.7
  Swiss-Prot: P0DJ35 released on 2012-04-18
    Title KKX28_HETPE Entity Potassium channel toxin kappa-KTx 2.8
  Swiss-Prot: D9U2A6 released on 2011-01-11
    Title KA291_LYCMC Entity Neurotoxin alpha-KTx 29.1
  Swiss-Prot: P0CI86 released on 2011-01-11
    Title KA293_LYCMC Entity Neurotoxin alpha-KTx 29.3
  Swiss-Prot: P60164 released on 2003-12-15
    Title KA111_PARVI Entity Potassium channel toxin alpha-KTx 11.1
  Swiss-Prot: Q9NJP7 released on 2001-12-19
    Title KAX91_MESMA Entity Potassium channel toxin alpha-KTx 9.1
  Swiss-Prot: Q9U8D2 released on 2001-12-19
    Title KAX82_MESMA Entity Potassium channel toxin alpha-KTx 8.2
Related entities 1. Acidic Scorpion Potassium Channel Toxins, : 1 : 1 : 3 entities Detail
Experiments performed 4 experiments Detail
NMR combined restraints 4 contents Detail
Keywords disulfide bond stabilized structure