Search

Hm-3
Authors
Myshkin, M.YU., Shenkarev, Z.O., Paramonov, A.S., Berkut, A.A., Grishin, E.V., Vassilevski, A.A.
Assembly
membrane-active toxin from crab spider Heriaeus melloteei
Entity
1. membrane-active toxin from crab spider Heriaeus melloteei (polymer), 35 monomers, 3913.657 Da Detail

GCIAKNKECA WFSGEWCCGA LSCKYSIKRN LKICV


Formula weight
3913.657 Da
Source organism
Heriaeus melloteei
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.1 %, Completeness: 80.3 %, Completeness (bb): 70.9 % Detail

Polymer type: polypeptide(L)

Total1H13C
All80.3 % (298 of 371)96.7 % (207 of 214)58.0 % (91 of 157)
Backbone70.9 % (124 of 175)95.9 % (70 of 73)52.9 % (54 of 102)
Sidechain89.9 % (205 of 228)97.2 % (137 of 141)78.2 % (68 of 87)
Aromatic60.0 % (24 of 40)100.0 % (21 of 21)15.8 % (3 of 19)
Methyl96.7 % (29 of 30)100.0 % (15 of 15)93.3 % (14 of 15)

1. Hm-3

GCIAKNKECA WFSGEWCCGA LSCKYSIKRN LKICV

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 308 K, pH 5.2


#NameIsotope labelingTypeConcentration
1hm3natural abundance0.5 mM
2H20natural abundance95 %
3D2Onatural abundance5 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 308 K, pH 5.2


#NameIsotope labelingTypeConcentration
4Hm-3natural abundance0.5 mM
5D2Onatural abundance100 %

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


Release date
2014-11-02
Citation
Structure of membrane-active toxin from crab spider Heriaeus melloteei suggests parallel evolution of sodium channel gating modifiers in Araneomorphae and Mygalomorphae
Berkut, A.A., Myshkin, M.YU., Peigneur, S., Paramonov, A.S., Lyukmanova, E.N., Tytgat, J., Arseniev, A.S., Grishin, E.V., Shenkarev, Z.O., Vassilevski, A.A.
J. Biol. Chem. (2015), 290, 492-504, PubMed 25352595 , DOI 10.1074/jbc.M114.595678 ,
Related entities 1. membrane-active toxin from crab spider Heriaeus melloteei, : 1 : 1 : 5 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 8 contents Detail
Keywords spider toxins, voltage-gated sodium channels, gating modifiers, inhibitor cystine knot, ICK, channel activation