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Isolation, Characterization, and Synthesis of the Barrettides: Disulfide-Containing Peptides from the Marine Sponge Geodia barretti
Authors
Rosengren, K.J., Carstens, B.B., Clark, R.J., Goransson, U.
Assembly
barrettide A
Entity
1. barrettide A (polymer), 31 monomers, 3218.441 Da Detail

DVSPCFCVED ETSGAKTCVP DNCDASRGTN P


Formula weight
3218.441 Da
Source organism
Geodia barretti
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts, spectral_peak_list
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 69.4 %, Completeness (bb): 67.2 % Detail

Polymer type: polypeptide(L)

Total1H13C15N
All69.4 % (211 of 304)76.3 % (119 of 156)55.9 % (66 of 118)86.7 % (26 of 30)
Backbone67.2 % (121 of 180)57.4 % (35 of 61)65.9 % (60 of 91)92.9 % (26 of 28)
Sidechain76.5 % (117 of 153)88.4 % (84 of 95)58.9 % (33 of 56) 0.0 % (0 of 2)
Aromatic40.0 % (4 of 10)80.0 % (4 of 5) 0.0 % (0 of 5)
Methyl31.8 % (7 of 22)45.5 % (5 of 11)18.2 % (2 of 11)

1. entity 1

DVSPCFCVED ETSGAKTCVP DNCDASRGTN P

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 5.15, Details 1.2 mM barrettide A, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1barrettide Anatural abundance1.2 mM
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 298 K, pH 5.15, Details 0.62 mM barrettide A, 100% D2O


#NameIsotope labelingTypeConcentration
2barrettide Anatural abundance0.62 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 6CFB, Strand ID: A Detail


Release date
2018-03-13
Citation
Isolation, Characterization, and Synthesis of the Barrettides: Disulfide-Containing Peptides from the Marine Sponge Geodia barretti
Carstens, B.B., Rosengren, K.J., Gunasekera, S., Schempp, S., Bohlin, L., Dahlstrom, M., Clark, R.J., Goransson, U.
J. Nat. Prod. (2015), 78, 1886-1893, PubMed 26222779 , DOI 10.1021/acs.jnatprod.5b00210 ,
Related entities 1. barrettide A, : 1 : 1 entities Detail
Experiments performed 7 experiments Detail
NMR combined restraints 5 contents Detail
Keywords ANTIFUNGAL PROTEIN, Antifungal, Disulfide rich peptide, Marine sponge, Structure from MOLMOL