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Structural Model for a 40-Residue Beta-Amyloid Fibril with Two-Fold Symmetry, Positive Stagger
Authors
Tycko, R., Petkova, A.
Assembly
40-Residue Beta-Amyloid Fibril with Two-Fold Symmetry
Entity
1. 40-Residue Beta-Amyloid Fibril with Two-Fold Symmetry (polymer, Thiol state: not present), 40 monomers, 4329.801 × 12 Da Detail

DAEFRHDSGY EVHHQKLVFF AEDVGSNKGA IIGLMVGGVV


Total weight
51957.61 Da
Max. entity weight
4329.801 Da
Source organism
Homo sapiens
Exptl. method
NMR
Refine. method
simulated annealing
Data set
assigned_chemical_shifts
Chem. Shift Complete
Sequence coverage: 85.0 %, Completeness: 51.6 %, Completeness (bb): 73.4 % Detail

Polymer type: polypeptide(L)

Total13C15N
All51.6 % (113 of 219)53.7 % (95 of 177)42.9 % (18 of 42)
Backbone73.4 % (113 of 154)83.3 % (95 of 114)45.0 % (18 of 40)
Sidechain28.3 % (28 of 99)28.9 % (28 of 97) 0.0 % (0 of 2)
Aromatic 0.0 % (0 of 25) 0.0 % (0 of 25)
Methyl13.0 % (3 of 23)13.0 % (3 of 23)

1. beta-amyloid

DAEFRHDSGY EVHHQKLVFF AEDVGSNKGA IIGLMVGGVV

Sample

Solvent system 10 mM phosphate buffer, Pressure 1 atm, Temperature 300 K, pH 7.4, Details grown at room temperature with gentle agitation, 1 mg/ml peptide, pH 7.4


#NameIsotope labelingTypeConcentration
1beta-amyloidselective 13C and 15N1 mg/mL
2phosphate buffernatural abundance10 mM

Protein Blocks Logo
Calculated from 10 models in PDB: 2LMN, Strand ID: A, B, C, D, E, F, G, H, I, J, K, L Detail


Release date
2012-01-04
Citation
Experimental constraints on quaternary structure in Alzheimer's beta-amyloid fibrils
Petkova, A., Yau, W., Tycko, R.
Biochemistry (2006), 45, 498-512, PubMed 16401079 , DOI 10.1021/bi051952q ,
Related entities 1. 40-Residue Beta-Amyloid Fibril with Two-Fold Symmetry, : 1 : 97 : 5 : 10 : 19 entities Detail
Interaction partners 1. 40-Residue Beta-Amyloid Fibril with Two-Fold Symmetry, : 95 interactors Detail
Experiments performed 8 experiments Detail
NMR combined restraints 5 contents Detail
Keywords Alzheimer's disease, amyloid, two-fold symmetry