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Suboptimization of a glycine rich peptide allows the combinatorial space exploration for designing novel antimicrobial peptides
Authors
Alves, E.S.F., Matos, C.O.
Assembly
Guavanin 2
Entity
1. Guavanin 2 (polymer, Thiol state: not present), 21 monomers, 2642.035 Da Detail

RQYMRQIEQA LRYGYRISRR X


Formula weight
2642.035 Da
Source organism
synthetic construct
Exptl. method
solution NMR
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 95.2 %, Completeness: 48.0 %, Completeness (bb): 63.0 % Detail

Polymer type: polypeptide(L)

Total1H13C
All48.0 % (117 of 244)63.7 % (93 of 146)24.5 % (24 of 98)
Backbone63.0 % (63 of 100)95.1 % (39 of 41)40.7 % (24 of 59)
Sidechain34.4 % (56 of 163)51.4 % (54 of 105) 3.4 % (2 of 58)
Aromatic25.0 % (6 of 24)50.0 % (6 of 12) 0.0 % (0 of 12)
Methyl42.9 % (6 of 14)85.7 % (6 of 7) 0.0 % (0 of 7)

1. entity 1

RQYMRQIEQA LRYGYRISRR X

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 289 K, pH 4, Details 100 mM dodecylphosphocholine, 5 % D2O, 1 mM peptide, 5 % sodium 2,2-dimethyl-2-silapentane-5-sulfonate, 90 % H2O, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1D2Onatural abundance5 %
2H2Onatural abundance90 %
3dodecylphosphocholinenatural abundance100 mM
4peptidenatural abundance1 mM
5sodium 2,2-dimethyl-2-silapentane-5-sulfonatenatural abundance5 %

Protein Blocks Logo
Calculated from 10 models in PDB: 5V1E, Strand ID: A Detail


Release date
2017-06-19
Citation
In silico optimization of a guava antimicrobial peptide enables combinatorial exploration for peptide design
Porto, W.F., Irazazabal, L., Alves, E., Ribeiro, S.M., Matos, C.O., Pires, A.S., Fensterseifer, I., Miranda, V.J., Haney, E.F., Humblot, V., Torres, M., Hancock, R., Liao, L.M., Ladram, A., Lu, T.K., de la Fuente-Nunez, C., Franco, O.L.
Nat. Commun. (2018), 9, 1490-1490, PubMed 29662055 , DOI 10.1038/s41467-018-03746-3 ,
Related entities 1. Guavanin 2, : 1 : 17 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 3 contents Detail
Keywords ANTIMICROBIAL PROTEIN, antibacterial, helix