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Solution Structure of Marine Sponge-Derived Asteropsin E Which is Highly Resistant to Gastrointestinal Proteases
Authors
Li, H., Jung, J.H.
Assembly
Marine Sponge-Derived Asteropsin E
Entity
1. Marine Sponge-Derived Asteropsin E (polymer, Thiol state: all disulfide bound), 33 monomers, 3547.059 Da Detail

CPGEGEQCDV EFNPCCPPLT CIPGDPYGIC YII


Formula weight
3547.059 Da
Source organism
Asteropus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 89.7 %, Completeness (bb): 78.6 % Detail

Polymer type: polypeptide(L)

Total1H13C
All89.7 % (295 of 329)99.5 % (186 of 187)76.8 % (109 of 142)
Backbone78.6 % (125 of 159)98.4 % (63 of 64)65.3 % (62 of 95)
Sidechain100.0 % (199 of 199)100.0 % (123 of 123)100.0 % (76 of 76)
Aromatic100.0 % (26 of 26)100.0 % (13 of 13)100.0 % (13 of 13)
Methyl100.0 % (26 of 26)100.0 % (13 of 13)100.0 % (13 of 13)

1. Asteropsin E

CPGEGEQCDV EFNPCCPPLT CIPGDPYGIC YII

Sample

Solvent system methanol, Pressure 1 atm, Temperature 298 K, pH 7.0


#NameIsotope labelingTypeConcentration
1Asteropsin Enatural abundance10 mg/mL

Protein Blocks Logo
Calculated from 20 models in PDB: 2M3J, Strand ID: A Detail


Release date
2014-03-09
Citation
Solution structure of a sponge-derived cystine knot peptide and its notable stability
Li, H., Su, M., Hamann, M.T., Bowling, J.J., Kim, H., Jung, J.H.
J. Nat. Prod. (2014), 77, 304-310, PubMed 24499386 , DOI 10.1021/np400899a ,
Related entities 1. Marine Sponge-Derived Asteropsin E, : 1 : 1 : 1 : 51 entities Detail
Experiments performed 4 experiments Detail
NMR combined restraints 3 contents Detail
Keywords Cystine knot peptide, Kottin, Sponge