Search

NMR solution structure of alpha-conotoxin Im1 point mutation variant D5N
Authors
Rogers, J.P., Luginbuhl, P., Pemberton, K., Harty, P., Wemmer, D.E., Stevens, R.C.
Assembly
alpha-conotoxin Im1(D5N)
Entity
1. alpha-conotoxin Im1(D5N) (polymer, Thiol state: all disulfide bound), 13 monomers, 1353.600 Da Detail

GCCSNPRCAW RCX


Formula weight
1353.6 Da
Entity Connection
disulfide 2 Detail

IDTypeValue orderAtom ID 1Atom ID 2
1disulfidesing1:CYS2:SG1:CYS8:SG
2disulfidesing1:CYS3:SG1:CYS12:SG

Source organism
Conus imperialis
Exptl. method
NMR
Refine. method
TORSION ANGLE DYNAMICS, RESTRAINED ENERGY MINIMISATION
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 92.3 %, Completeness: 98.5 %, Completeness (bb): 95.8 % Detail

Polymer type: polypeptide(L)

Total1H
All98.5 % (66 of 67)98.5 % (66 of 67)
Backbone95.8 % (23 of 24)95.8 % (23 of 24)
Sidechain100.0 % (43 of 43)100.0 % (43 of 43)
Aromatic100.0 % (6 of 6)100.0 % (6 of 6)
Methyl100.0 % (1 of 1)100.0 % (1 of 1)

1. alpha-conotoxin Im1(D5N)

GCCSNPRCAW RCX

Sample

Temperature 298 (±1) K, pH 4.1 (±0.2)


#NameIsotope labelingTypeConcentration
1alpha-conotoxin Im1(D5N)2.0 ~ 3.0 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 1E76, Strand ID: A Detail


Release date
2008-07-15
Citation
Structure-activity Relationships in a Peptidic Alpha7 Nicotinic Acetylcholine Receptor Antagonist
Rogers, J.P., Luginbuhl, P., Pemberton, K., Harty, P., Wemmer, D.E., Stevens, R.C.
J. Mol. Biol. (2000), 304, 911-926, PubMed , DOI:
Related entities 1. alpha-conotoxin Im1(D5N), : 1 : 22 entities Detail
Interaction partners 1. alpha-conotoxin Im1(D5N), : 1 interactors Detail
Experiments performed 3 experiments Detail
nullKeywords alpha-conotoxin Im1, competitive antagonist, neuronal nicotinic acetylcholine receptor, NMR solution structure, peptide toxin