Separation of two pregnancy-associated proteins with SP1 determinants and the conversion of SP1 beta to SP1 alpha.

Abstract

The alpha and beta forms of the pregnancy-associated protein, SP1 which have been previously identified in late pregnancy serum were found to be also present in the placenta. The alpha form was somewhat more difficult to extract, requiring the use of detergents in the extracting buffer. The two variants can be separated by ion exchange chromatography or by… (More)

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@article{Ahmed1980SeparationOT, title={Separation of two pregnancy-associated proteins with SP1 determinants and the conversion of SP1 beta to SP1 alpha.}, author={Abdel Ghaffar M. Ahmed and Arnold Klopper}, journal={Archives of gynecology}, year={1980}, volume={230 2}, pages={95-108} }