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Resonance assignments and structure determination of poneritoxin, omega-PONTX-Ae1a, from Anochetus emarginatus
Authors
Chin, Y.K.-Y., Touchard, A., King, G.F.
Assembly
poneritoxin, omega-PONTX-Ae1a
Entity
1. poneritoxin, omega-PONTX-Ae1a (polymer, Thiol state: all disulfide bound), 17 monomers, 1737.046 Da Detail

WCASGCRKKR HGGCSCX


Formula weight
1737.046 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS14:SG
2disulfidesing1:CYS6:SG1:CYS16:SG

Source organism
Anochetus emarginatus
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 94.1 %, Completeness: 89.3 %, Completeness (bb): 81.3 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All89.3 % (151 of 169)98.9 % (89 of 90)74.2 % (46 of 62)94.1 % (16 of 17)
Backbone81.3 % (78 of 96)97.1 % (34 of 35)64.4 % (29 of 45)93.8 % (15 of 16)
Sidechain100.0 % (86 of 86)100.0 % (55 of 55)100.0 % (30 of 30)100.0 % (1 of 1)
Aromatic100.0 % (16 of 16)100.0 % (8 of 8)100.0 % (7 of 7)100.0 % (1 of 1)
Methyl100.0 % (2 of 2)100.0 % (1 of 1)100.0 % (1 of 1)

1. entity

WCASGCRKKR HGGCSCX

Sample #1

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 298 K, pH 6


#NameIsotope labelingTypeConcentration
1omega-PONTX-Ae1anatural abundance2 mM
2AMINO GROUPnatural abundance2 mM
3D2Onatural abundance5 %
4sodium phosphatenatural abundance20 mM
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 6


#NameIsotope labelingTypeConcentration
5omega-PONTX-Ae1anatural abundance2 mM
6AMINO GROUPnatural abundance2 mM
7D2Onatural abundance100 %
8sodium phosphatenatural abundance20 mM

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


Release date
2016-02-07
Citation
Isolation and characterization of a structurally unique β-hairpin venom peptide from the predatory ant Anochetus emarginatus
Touchard, A., Brust, A., Cardoso, F.C., Chin, Y.K.-Y., Herzig, V., Jin, A., Dejean, A., Alewood, P., King, G.F., Orivel, J., Escoubas, P.
Biochim. Biophys. Acta (2016), 1860, 2553-2562, PubMed 27474999 , DOI 10.1016/j.bbagen.2016.07.027 ,
Related entities 1. poneritoxin, omega-PONTX-Ae1a, : 1 : 1 : 12 entities Detail
Experiments performed 6 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Anochetus, Ants, Disulfide bond, Neurotoxin, Venom