Dependence of the Nanoscale Composite Morphology of Fe3O4 Nanoparticle-Infused Lysozyme Amyloid Fibrils on Timing of Infusion: A Combined SAXS and AFM Study

Schroer M, Hu P, Tomasovicova N, Batkova M, Zakutanska K, Wu P, Kopcansky P
Molecules 26(16):4864 (2021 Aug 11)

doi: 10.3390/molecules26164864
Submitted to SASBDB: 2021 Sep 2
Published in SASBDB:

SASDMY3 – Lysozyme amyloid fibril (LAF)

lysozyme amyloid fibril experimental SAS data
DAMMIF model
Sample: Lysozyme amyloid fibril, 1 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 2018 Nov 29
RgGuinier 38.4 nm
Dmax 80.0 nm

SASDMZ3 – Fe3O4 nanoparticles (10 nm diameter)

Fe3O4 nanoparticles; nominal diameter 10 nm (hydrodynamic diameter) experimental SAS data
Fe3O4 nanoparticles; nominal diameter 10 nm (hydrodynamic diameter) Kratky plot
Sample: Fe3O4 nanoparticles; nominal diameter 10 nm (hydrodynamic diameter) monomer, 1 kDa
Buffer: 50 mM borate buffer, 0.02% NaN3, pH: 8.5
Experiment: SAXS data collected at EMBL P12, PETRA III on 2018 Nov 29
RgGuinier 7.0 nm
Dmax 8.0 nm

SASDM24 – Fe3O4 nanoparticles (20 nm diameter)

Fe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) experimental SAS data
Fe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) Kratky plot
Sample: Fe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) monomer, 1 kDa
Buffer: 50 mM borate buffer, 0.02% NaN3, pH: 8.5
Experiment: SAXS data collected at EMBL P12, PETRA III on 2018 Nov 29
RgGuinier 11.0 nm
Dmax 14.0 nm

SASDM34 – Fe3O4 nanoparticles (30 nm diameter)

Fe3O4 nanoparticles; nominal diameter 30 nm (hydrodynamic diameter) experimental SAS data
Fe3O4 nanoparticles; nominal diameter 30 nm (hydrodynamic diameter) Kratky plot
Sample: Fe3O4 nanoparticles; nominal diameter 30 nm (hydrodynamic diameter) monomer, 1 kDa
Buffer: 50 mM borate buffer, 0.02% NaN3, pH: 8.5
Experiment: SAXS data collected at EMBL P12, PETRA III on 2018 Nov 29
RgGuinier 18.1 nm
Dmax 16.9 nm

SASDM44 – LAF + P10 nanocomposite (NP added before fibrilization)

lysozyme amyloid fibrilFe3O4 nanoparticles; nominal diameter 10 nm (hydrodynamic diameter) experimental SAS data
DAMMIN model
Sample: Lysozyme amyloid fibril, 1 kDa Gallus gallus protein
Fe3O4 nanoparticles; nominal diameter 10 nm (hydrodynamic diameter) 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 2018 Nov 29
RgGuinier 22.3 nm
Dmax 70.0 nm

SASDM54 – LAF + P30 nanocomposite (NP added before fibrilization)

lysozyme amyloid fibrilFe3O4 nanoparticles; nominal diameter 30 nm (hydrodynamic diameter) experimental SAS data
DAMMIN model
Sample: Lysozyme amyloid fibril, 1 kDa Gallus gallus protein
Fe3O4 nanoparticles; nominal diameter 30 nm (hydrodynamic diameter) 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 2018 Nov 29
RgGuinier 22.5 nm
Dmax 95.0 nm

SASDM64 – LAF + P20 nanocomposite (NP added before fibrilization)

lysozyme amyloid fibrilFe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) experimental SAS data
DAMMIN model
Sample: Lysozyme amyloid fibril, 1 kDa Gallus gallus protein
Fe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) 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 2018 Nov 29
RgGuinier 23.6 nm
Dmax 90.0 nm

SASDM74 – LAF + P20 nanocomposite (NP added after fibrilization)

lysozyme amyloid fibrilFe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) experimental SAS data
DAMMIN model
Sample: Lysozyme amyloid fibril, 1 kDa Gallus gallus protein
Fe3O4 nanoparticles; nominal diameter 20 nm (hydrodynamic diameter) 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 2018 Sep 2
RgGuinier 31.0 nm
Dmax 75.0 nm