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Ocellatin-LB2, solution structure in SDS micelle 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-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: 71.5 %, Completeness (bb): 64.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All71.5 % (176 of 246)88.8 % (111 of 125)59.8 % (58 of 97)29.2 % (7 of 24)
Backbone64.5 % (89 of 138)98.0 % (48 of 49)51.5 % (34 of 66)30.4 % (7 of 23)
Sidechain81.3 % (104 of 128)82.9 % (63 of 76)80.4 % (41 of 51) 0.0 % (0 of 1)
Aromatic25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)
Methyl97.2 % (35 of 36)100.0 % (18 of 18)94.4 % (17 of 18)

1. entity 1

GVVDILKGAA KDIAGHLASK VMNX

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 303.15 K, pH 4, Details 2 mM Ocellatin-LB2, 1 mM DSS, 400 mM d-25 SDS, 5 % 99.75 D2O, 95% H2O/5% D2O.


#NameIsotope labelingTypeConcentration
1D2O[U-99.75 2H]5 %
2DSSnatural abundance1 mM
3Ocellatin-LB2natural abundance2 mM
4SDSd-25400 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 5UA7, 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