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Ocellatin-F1, solution structure in TFE by NMR spectroscopy
Authors
Gusmao, K.A.G., dos Santos, D.M., Santos, V.M., Pilo-Veloso, D., de Lima, M.E., Resende, J.M.
Assembly
Ocellatin-F1
Entity
1. Ocellatin-F1 (polymer, Thiol state: not present), 26 monomers, 2547.047 Da Detail

GVVDILKGAA KDIAGHLASK VMNKLX


Formula weight
2547.047 Da
Source organism
Leptodactylus labyrinthicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 96.2 %, Completeness: 86.3 %, Completeness (bb): 84.7 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All86.3 % (239 of 277)93.7 % (133 of 142)74.3 % (81 of 109)96.2 % (25 of 26)
Backbone84.7 % (127 of 150)100.0 % (53 of 53)69.4 % (50 of 72)96.0 % (24 of 25)
Sidechain89.9 % (134 of 149)89.9 % (80 of 89)89.8 % (53 of 59)100.0 % (1 of 1)
Aromatic25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)
Methyl100.0 % (40 of 40)100.0 % (20 of 20)100.0 % (20 of 20)

1. entity 1

GVVDILKGAA KDIAGHLASK VMNKLX

Sample

Solvent system trifluoroethanol/water, Pressure 1 atm, Temperature 293.15 K, pH 7, Details 2.0 mM Ocellatin-F1, 1.0 mM DSS, 20 mM potassium phosphate, 60 % d2 TFE, 40 % H2O, trifluoroethanol/water.


#NameIsotope labelingTypeConcentration
1DSSnatural abundance1.0 mM
2H2Onatural abundance40 %
3Ocellatin-F1natural abundance2.0 mM
4TFE[U-2H]60 %
5potassium phosphatenatural abundance20 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 5U9S, Strand ID: A Detail


Release date
2017-03-21
Citation
Ocellatin peptides from the skin secretion of the South American frog Leptodactylus labyrinthicus (Leptodactylidae): characterization, antimicrobial activities and membrane interactions
Gusmao, K., Dos Santos, D.M., Santos, V.M., Cortes, M.E., Reis, P., Santos, V.L., Pilo-Veloso, D., Verly, R.M., de Lima, M.E., Resende, J.M.
J. Venom. Anim. Toxins Incl. Trop. Dis. (2017), 23, 4-4, PubMed 28115922 , DOI 10.1186/s40409-017-0094-y ,
Related entities 1. Ocellatin-F1, : 1 entities Detail
Experiments performed 4 experiments Detail
NMR combined restraints 4 contents Detail
Keywords ALPHA HELIX, AMPHIPATHIC CHARACTER, ANTIMICROBIAL PEPTIDE, ANTIMICROBIAL PROTEIN, C-TERMINAL CARBOXYAMIDATION, OCELLATIN