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2018 ; 10
(2
): 299-306
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Multiple analyses of protein dynamics in solution
#MMPMID29204883
Ogawa T
; Hirokawa N
Biophys Rev
2018[Apr]; 10
(2
): 299-306
PMID29204883
show ga
The need for accurate description of protein behavior in solution has gained
importance in various fields, including biophysics, biochemistry, structural
biology, drug discovery, and antibody drugs. To achieve the desired accuracy,
multiple precise analyses should be performed on the target molecule, compared,
and effectively combined. This review focuses on the combination of multiple
analyses in solution: size-exclusion chromatography (SEC), multi-angle light
scattering (MALS), small-angle X-ray scattering (SAXS), analytical
ultracentrifugation (AUC), and their complementary methods, such as atomic force
microscopy (AFM) and mass spectrometry (MS). We also discuss the comparison
between the determined molar mass value of not only the standard proteins, but of
a target molecule tubulin and its depolymerizing protein, KIF2, as an example.
The comparison of the estimated molar mass value from the different methods
provides additional information about the target molecule, because the value
reflects the dynamically changing states of the target molecule in solution. The
combination and integration of multiple methods will permit a deeper
understanding of protein dynamics in solution.