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Synchrotron SAXS
data from solutions of
N-Myc proto-oncogene protein, residues 1-100
in
20mM HEPES, 150mM NaCl, 5mM MgCl2, 3% v/v glycerol, 2mM TCEP, pH 7.5
were collected
on the
EMBL P12 beam line
at the PETRA III storage ring
(DESY; Hamburg, Germany)
using a Pilatus 6M detector
(I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle).
In-line size-exclusion chromatography (SEC) SAS was employed. The SEC parameters were as follows: A sample
was injected
onto a column
.
The data were normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted.
Synchrotron SAXS data from solutions of the N-Myc proto-oncogen protein (residues 1-100) was collected in 20mM HEPES, 150mM NaCl, 5mM MgCl2, 3% v/v glycerol, 2mM TCEP, pH 7.5 on the EMBL P12 beam line at PETRA III (DESY, Hamburg, Germany) using a Pilatus 6M detector at a sample-detector distance of 3 m and a wavelength of λ = 0.124 nm (I(s) vs s, where s = 4πsinθ/λ, and 2θ is the scattering angle). In-line size-exclusion chromatography (SEC) SAXS was employed by injecting 75.00 μl sample of 7 mg/ml onto a GE Superdex 75 Increase 10/300 column with a flow rate of 0.70 ml/min at 20°C. 2100 successive 1 second frames were collected. The data was normalized to the intensity of the transmitted beam and radially averaged; the scattering of the solvent-blank was subtracted. Buffer subtraction was done using CHROMIXS and data analysis was done using the ATSAS suite. The experimental molecular weight was also determined from SEC-MALLS run in parallel to SEC-SAXS.
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s, nm-1
