Abstract:
:Monodisperse bovine prothrombin was prepared and its molecular states under several conditions examined. The protein showed no tendency to self-associate in the absence of calcium. Calcium (4 mM) caused small increases in the apparent molecular weight of the protein which may or may not represent protein dimerization with very low affinity. The allowed conclusion was that calcium-induced prothrombin dimerization is minimal up to protein concentrations of many mg/ml. Calcium-induced protein shape changes did not measurably alter the protein diffusion constant. A bifunctional alkylating reagent did produce extensive calcium-dependent prothrombin crosslinking. Prothrombin dimers formed by the crosslinking agent were not a measure of the state of native prothrombin.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Silversmith RE,Wei GJ,Nelsestuen GLdoi
10.1016/s0006-291x(83)80138-7subject
Has Abstractpub_date
1983-02-28 00:00:00pages
213-8issue
1eissn
0006-291Xissn
1090-2104pii
S0006-291X(83)80138-7journal_volume
111pub_type
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