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Solution NMR structure of asteropusin A from marine sponge Asteropus sp.
Authors
Li, H., Bowling, J.J., Hamann, M.T., Jung, J.H.
Assembly
Solution NMR structure of asteropusin A from marine sponge Asteropus sp.
Entity
1. Solution NMR structure of asteropusin A from marine sponge Asteropus sp. (polymer, Thiol state: all disulfide bound), 37 monomers, 3904.382 Da Detail

XGCAFEGESC NVQFYPCCPG LGLTCIPGNP DGTCYYL


Formula weight
3904.382 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS3:SG1:CYS18:SG
2disulfidesing1:CYS10:SG1:CYS25:SG
3disulfidesing1:CYS17:SG1:CYS34:SG

Source organism
Asteropus
Exptl. method
solution NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 97.3 %, Completeness: 89.3 %, Completeness (bb): 80.1 % Detail

Polymer type: polypeptide(L)

Total1H13C
All89.3 % (310 of 347)98.0 % (192 of 196)78.1 % (118 of 151)
Backbone80.1 % (141 of 176)97.3 % (72 of 74)67.6 % (69 of 102)
Sidechain99.0 % (199 of 201)98.4 % (120 of 122)100.0 % (79 of 79)
Aromatic100.0 % (44 of 44)100.0 % (22 of 22)100.0 % (22 of 22)
Methyl96.2 % (25 of 26)92.3 % (12 of 13)100.0 % (13 of 13)

1. Asteropusin A

XGCAFEGESC NVQFYPCCPG LGLTCIPGNP DGTCYYL

Sample

Solvent system CD3OH, Pressure 1 atm, Temperature 298 K, pH 7.0


#NameIsotope labelingTypeConcentration
1methanolnatural abundance10 mM

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


Release date
2013-02-04
Citation
Asteropsin A: an unusual cystine-crosslinked peptide from porifera enhances neuronal Ca2+ influx
Li, H., Bowling, J.J., Fronczek, F.R., Hong, J., Jabbae, S.V., Murray, T.F., Haa, N., Hamann, M.T., Jung, J.H.
Biochim. Biophys. Acta (2013), 1830, 2591-2599, PubMed 23201194 , DOI 10.1016/j.bbagen.2012.11.015 ,
Related entities 1. Solution NMR structure of asteropusin A from marine sponge Asteropus sp., : 1 : 1 : 9 entities Detail
Experiments performed 5 experiments Detail
NMR combined restraints 3 contents Detail
Keywords ASTEROPUS SP., KNOTTIN, SOLUTION NMR, SPONGE