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Solution NMR structure of human amylin in SDS micelles at pH 7.3
Authors
Nanga, R., Brender, J.R., Vivekanandan, S., Ramamoorthy, A.
Assembly
amidated IAPP
Entity
1. amidated IAPP (polymer), 37 monomers, 3906.277 Da Detail

KCNTATCATQ RLANFLVHSS NNFGAILSST NVGSNTY


Formula weight
3906.277 Da
Source organism
Homo sapiens
Exptl. method
solution NMR
Refine. method
torsion angle dynamics, simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 100.0 %, Completeness: 94.5 %, Completeness (bb): 92.1 % Detail

Polymer type: polypeptide(L)

Total1H
All94.5 % (188 of 199)94.5 % (188 of 199)
Backbone92.1 % (70 of 76)92.1 % (70 of 76)
Sidechain95.9 % (118 of 123)95.9 % (118 of 123)
Aromatic87.5 % (14 of 16)87.5 % (14 of 16)
Methyl95.2 % (20 of 21)95.2 % (20 of 21)

1. entity

KCNTATCATQ RLANFLVHSS NNFGAILSST NVGSNTY

Sample

Solvent system 90% H2O/10% D2O, Pressure 1 atm, Temperature 298 K, pH 7.3


#NameIsotope labelingTypeConcentration
1amidated IAPPnatural abundance2.5 mM
2sodium phosphatenatural abundance20 mM
3sodium chloridenatural abundance120 mM
4D2O[U-99% 2H]10 %
5H2Onatural abundance90 %
6SDS[U-99% 2H]200 mM

Protein Blocks Logo
Calculated from 20 models in PDB: 2L86, Strand ID: A Detail


Release date
2012-06-18
Citation
Structure and membrane orientation of IAPP in its natively amidated form at physiological pH in a membrane environment
Nanga, R., Brender, J.R., Vivekanandan, S., Ramamoorthy, A.
Biochim. Biophys. Acta (2011), 1808, 2337-2342, PubMed 21723249 , DOI 10.1016/j.bbamem.2011.06.012 ,
Related entities 1. amidated IAPP, : 1 : 21 : 25 : 50 entities Detail
Interaction partners 1. amidated IAPP, : 2 interactors Detail
Experiments performed 2 experiments Detail
NMR combined restraints 3 contents Detail
Keywords Amylin, Amyloid, IAPP