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Ocellatin-LB1, 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-LB1
Entity
1. Ocellatin-LB1 (polymer, Thiol state: not present), 23 monomers, 2191.615 Da Detail

GVVDILKGAA KDIAGHLASK VMX


Formula weight
2191.615 Da
Source organism
Leptodactylus labyrinthicus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 95.7 %, Completeness: 78.7 %, Completeness (bb): 76.5 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All78.7 % (185 of 235)89.1 % (106 of 119)64.9 % (61 of 94)81.8 % (18 of 22)
Backbone76.5 % (101 of 132)97.9 % (46 of 47)58.7 % (37 of 63)81.8 % (18 of 22)
Sidechain84.4 % (103 of 122)83.3 % (60 of 72)86.0 % (43 of 50)
Aromatic25.0 % (1 of 4)50.0 % (1 of 2) 0.0 % (0 of 2)
Methyl91.7 % (33 of 36)94.4 % (17 of 18)88.9 % (16 of 18)

1. entity 1

GVVDILKGAA KDIAGHLASK VMX

Sample

Solvent system 95% H2O/5% D2O, Pressure 1 atm, Temperature 303.15 K, pH 4, Details 2 mM Ocellatin-LB1, 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-LB1natural abundance2 mM
4SDSd-25400 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 5UA6, 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