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The NMR solution structure of a pH sensitive,D-amino acid containing conopeptide, mr12 .
Authors
Huang, F., Du, W., Han, Y., Wang, C., Chi, C.
Assembly
M cono-toxin mr12
Entity
1. M cono-toxin mr12 (polymer, Thiol state: not present), 15 monomers, 1931.024 Da Detail

DWEYHAHPKX NSXWT


Formula weight
1931.024 Da
Source organism
Conus marmoreus
Exptl. method
solution NMR
Refine. method
molecular dynamics
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 86.7 %, Completeness: 85.7 %, Completeness (bb): 96.0 % Detail

Polymer type: polypeptide(L)

Total1H
All85.7 % (72 of 84)85.7 % (72 of 84)
Backbone96.0 % (24 of 25)96.0 % (24 of 25)
Sidechain81.4 % (48 of 59)81.4 % (48 of 59)
Aromatic80.0 % (16 of 20)80.0 % (16 of 20)
Methyl100.0 % (2 of 2)100.0 % (2 of 2)

1. mr12 at pH5

DWEYHAHPKX NSXWT

Sample #1

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 300 K, pH 5


#NameIsotope labelingTypeConcentration
1mr12 at pH5natural abundance2.0 mM
2potassium phosphatenatural abundance20 mM
3H2Onatural abundance90 %
4D2O10 %
Sample #2

Solvent system 100% D2O, Pressure 1 atm, Temperature 300 K, pH 5


#NameIsotope labelingTypeConcentration
5mr12 at pH5natural abundance2.0 mM
6potassium phosphatenatural abundance20 mM
7D2O100 %

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


Release date
2008-06-11
Citation
Purification and structural characterization of a D-amino acid-containing conopeptide, conomarphin, from Conus marmoreus
Han, Y., Huang, F., Jiang, H., Liu, L., Wang, Q., Wang, Y., Shao, X., Chi, C., Du, W., Wang, C.
FEBS J. (2008), 275, 1976-1987, PubMed 18355315 , DOI 10.1111/j.1742-4658.2008.06352.x ,
Entries sharing articles BMRB: 3, Swiss-Prot: 1 entries Detail
  BMRB: 15363 released on 2008-06-24
    Title A D-amino acid containing conopeptide, marmophine, from Conus marmoreus
  BMRB: 7397 released on 2008-06-16
    Title Purification and structural characterization of a D-amino acid containing conopeptide, marmophine, from Conus marmoreus
  BMRB: 15273 released on 2008-06-11
    Title A L-amino acid mutant of a D-amino acid containing conopeptide
  Swiss-Prot: B2KPN7 released on 2009-03-03
    Title COMA_CONMR Entity Conomarphin
Related entities 1. M cono-toxin mr12, : 1 : 1 : 2 entities Detail
Experiments performed 3 experiments Detail
NMR combined restraints 5 contents Detail
Keywords M conotoxin, NMR solution structure, M cono-toxin, mr12