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cBru9a
Authors
Akcan, M., Clark, R.J., Daly, N.L., Conibear, A.C., de Faoite, A.C., Heghinian, M.C., Adams, D.J., Mari, F., Craik, D.J.
Assembly
P-superfamily conotoxin Bru9a cyclised with a Gly-Leu-Pro linker
Entity
1. P-superfamily conotoxin Bru9a cyclised with a Gly-Leu-Pro linker (polymer), 27 monomers, 2807.174 Da Detail

SCGGSCFGGC WXGCSCYART CFRDGLP


Formula weight
2807.174 Da
Entity Connection
disulfide 3 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS14:SG
2disulfidesing1:CYS6:SG1:CYS16:SG
3disulfidesing1:CYS10:SG1:CYS21:SG

Source organism
Conus brunneus
Exptl. method
solution NMR
Refine. method
torsion angle dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 96.3 %, Completeness: 92.5 %, Completeness (bb): 100.0 % Detail

Polymer type: polypeptide(L)

Total1H
All92.5 % (123 of 133)92.5 % (123 of 133)
Backbone100.0 % (57 of 57)100.0 % (57 of 57)
Sidechain86.8 % (66 of 76)86.8 % (66 of 76)
Aromatic50.0 % (10 of 20)50.0 % (10 of 20)
Methyl100.0 % (4 of 4)100.0 % (4 of 4)

1. cBru9a

SCGGSCFGGC WXGCSCYART CFRDGLP

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, Details cBru9a


#NameIsotope labelingTypeConcentration
1cBru9anatural abundance0.05 ~ 0.2 mM
2H2Onatural abundance90 %
3D2Onatural abundance10 %

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


Release date
2015-07-19
Citation
Transforming conotoxins into cyclotides: Backbone cyclization of P-superfamily conotoxins
Akcan, M., Clark, R.J., Daly, N.L., Conibear, A.C., de Faoite, A.C., Heghinian, M.C., Adams, D.J., Mari, F., Craik, D.J.
Biopolymers (2015), PubMed 26172377 , DOI 10.1002/bip.22699 ,
Entries sharing articles BMRB: 1 entries Detail
  BMRB: 25128 released on 2015-07-19
    Title cGm9a
Related entities 1. P-superfamily conotoxin Bru9a cyclised with a Gly-Leu-Pro linker, : 1 : 11 entities Detail
Experiments performed 2 experiments Detail
NMR combined restraints 4 contents Detail
Keywords conotoxins, cyclic peptides, cyclization, cystine knot, drug design