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Ocellatin-LB2, solution structure in TFE by NMR spectroscopy
Authors
Gusmao, K.A.G., dos Santos, D.M., Santos, V.M., Pilo-Veloso, D., Verly, R.M., de Lima, M.E., Resende, J.M.
Assembly
Ocellatin-LB2
Entity
1. Ocellatin-LB2 (polymer, Thiol state: not present), 24 monomers, 2305.718 Da Detail

GVVDILKGAA KDIAGHLASK VMNX


Formula weight
2305.718 Da
Source organism
Leptodactylus labyrinthicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 95.8 %, Completeness: 85.8 %, Completeness (bb): 82.6 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All85.8 % (211 of 246)92.8 % (116 of 125)74.2 % (72 of 97)95.8 % (23 of 24)
Backbone82.6 % (114 of 138)98.0 % (48 of 49)66.7 % (44 of 66)95.7 % (22 of 23)
Sidechain91.4 % (117 of 128)89.5 % (68 of 76)94.1 % (48 of 51)100.0 % (1 of 1)
Aromatic25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)
Methyl100.0 % (36 of 36)100.0 % (18 of 18)100.0 % (18 of 18)

1. entity 1

GVVDILKGAA KDIAGHLASK VMNX

Sample

Solvent system trifluoroethanol/water, Pressure 1 atm, Temperature 293.15 K, pH 7, Details 2.0 mM Ocellatin-LB1, 1 mM DSS, 20 mM potassium phosphate, 60 % d2 TFE, 40 % H2O, trifluoroethanol/water.


#NameIsotope labelingTypeConcentration
1DSSnatural abundance1 mM
2H2Onatural abundance40 %
3Ocellatin-LB1natural abundance2.0 mM
4TFE[U-2H]60 %
5potassium phosphatenatural abundance20 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 5U9R, Strand ID: A Detail


Release date
2017-03-21
Citation
NMR structures in different membrane environments of three ocellatin peptides isolated from Leptodactylus labyrinthicus
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.
Peptides (2018), 103, 72-83, PubMed 29596881 , DOI 10.1016/j.peptides.2018.03.016 ,
Experiments performed 4 experiments Detail
NMR combined restraints 4 contents Detail
Keywords ALPHA HELIX, AMPHIPATHIC CHARACTER, ANTIMICROBIAL PEPTIDE, ANTIMICROBIAL PROTEIN, C-TERMINAL CARBOXYAMIDATION, OCELLATIN