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Solution NMR structure of barrettide C
Authors
Payne, C.D., Rosengren, K.J.
Assembly
Barrettide C
Entity
1. Barrettide C (polymer, Thiol state: all disulfide bound), 31 monomers, 3243.536 Da Detail

NVVPCFCVED ETSGAKTCIP DNCDASRGTN P


Formula weight
3243.536 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS5:SG1:CYS23:SG
2disulfidesing1:CYS7:SG1:CYS18:SG

Source organism
Geodia barretti
Exptl. method
solution NMR
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 77.7 %, Completeness (bb): 75.7 % Detail

Polymer type: polypeptide(L)

Total1H13C
All77.7 % (219 of 282)95.0 % (153 of 161)54.5 % (66 of 121)
Backbone75.7 % (115 of 152)98.4 % (60 of 61)60.4 % (55 of 91)
Sidechain81.1 % (129 of 159)93.0 % (93 of 100)61.0 % (36 of 59)
Aromatic40.0 % (4 of 10)80.0 % (4 of 5) 0.0 % (0 of 5)
Methyl42.3 % (11 of 26)69.2 % (9 of 13)15.4 % (2 of 13)

1. entity 1

NVVPCFCVED ETSGAKTCIP DNCDASRGTN P

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 5.0 (±1.0), Details 2 mg/mL Barrettide C, 90% H2O/10% D2O


#NameIsotope labelingTypeConcentration
1Barrettide Cnatural abundance2 (±0.5) mg/mL

Release date
2022-01-04
Citation
Barrettides: A Peptide Family Specifically Produced by the Deep-Sea Sponge Geodia barretti
Steffen, K., Laborde, Q., Gunasekera, S., Payne, C.D., Rosengren, K.J., Riesgo, A., Goransson, U., Cardenas, P.
J. Nat. Prod. (2021), 84, 3138-3146, PubMed 34874154 , DOI 10.1021/acs.jnatprod.1c00938 ,
Related entities 1. Barrettide C, : 1 : 1 entities Detail
Experiments performed 5 experiments Detail
Chemical shift validation 3 contents Detail
Keywords TOXIN, antifouling, marine natural product