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. 2016 Jun 7;24(6):851–861. doi: 10.1016/j.str.2016.03.020

Table 2.

SAXS Data Collection and Derived Parameters for DAPK2 and Mutants

WT D220K BL
Data Collection Parameters

Instrument EMBL P12 (PETRA-III)
Beam geometry (mm2) 0.2 × 0.12
Wavelength (Å) 1.24
s range (Å−1)a 0.003–0.45
Exposure time (s) 0.045·20
Sample concentration (mg/ml) 2.0–15.0 2.0–15.0 2.0–15.0
Temperature (K) 283

Structural Parameters

I(0) (cm−1) (from p(r)) 0.027 ± 0.001 0.025 ± 0.001 0.021 ± 0.001
Rg (Å) (from p(r)) 26.4 ± 0.2 25.9 ± 0.2 23.4 ± 0.2
Dmax (Å) 81 ± 5 90 ± 5 75 ± 5
Dry volume (103 Å3) calculatedb 45
Contrast (Δρ × 1010 cm−2) 2.704
Molecular mass Mr (kDa) (from I(0)) 41 ± 5 37 ± 4 32 ± 3
Molecular mass Mr (kDa) (from Porod volume [Vp/1.7]) 59 ± 6 52 ± 5 46 ± 5
Calculated monomeric mass Mr (kDa)b 37.3

Software Employed

Primary data reduction Automated pipeline (Blanchet et al., 2015)
Data processing ALMERGE, AUTORG, DATGNOM, DATPOROD
Computation of model intensities CRYSOL, FFMAKER, OLIGOMER
a

Momentum transfer |s| = 4πsin(θ)/λ.

b

Calculated from the sequence using www.basic.northwestern.edu/biotools/proteincalc.html.