Effect of the concentration of protein and nanoparticles on the structure of biohybrid nanocomposites.

Majorošová J, Schroer MA, Tomašovičová N, Batková M, Hu PS, Kubovčíková M, Svergun DI, Kopčanský P
Biopolymers 111(2):e23342 (2020 Feb)
PMID: 31794056
doi: 10.1002/bip.23342
Submitted to SASBDB: 2021 Sep 8
Published in SASBDB:

SASDMJ4 – Lysozyme amyloid fibril (LAF)

lysozyme amyloid fibril experimental SAS data
DAMMIF model
Sample: Lysozyme amyloid fibril, 14 kDa Gallus gallus protein
Buffer: 0.2 M glycine-HCl, 80 mM NaCl, pH: 2.2
Experiment: SAXS data collected at EMBL P12, PETRA III on 2016 Sep 5
RgGuinier 30.2 nm
Dmax 120.0 nm

SASDMK4 – Fe3O4 nanoparticles (radius 5.6 nm )

Fe3O4 nanoparticles; radius 5.6 nm (AFM based) experimental SAS data
Fe3O4 nanoparticles; radius 5.6 nm (AFM based) Kratky plot
Sample: Fe3O4 nanoparticles; radius 5.6 nm (AFM based) monomer, 1 kDa
Buffer: water, HCLO4, pH: 7
Experiment: SAXS data collected at EMBL P12, PETRA III on 2016 Sep 5
RgGuinier 11.0 nm
Dmax 20.0 nm

SASDML4 – LAF + MNP (r = 5.6 nm) nanocomposite

lysozyme amyloid fibrilFe3O4 nanoparticles; radius 5.6 nm (AFM based) experimental SAS data
DAMMIF model
Sample: Lysozyme amyloid fibril, 1 kDa Gallus gallus protein
Fe3O4 nanoparticles; radius 5.6 nm (AFM based) monomer, 1 kDa
Buffer: 0.2 M glycine-HCl, 80 mM NaCl, pH: 2.2
Experiment: SAXS data collected at EMBL P12, PETRA III on 2016 Sep 8
RgGuinier 29.4 nm
Dmax 80.0 nm