Further characterization of the membrane-bound (Ca2+ + Mg2+)-ATPase from porcine erythrocytes
โ Scribed by Clement O. Bewaji; Enitan A. Bababunmi
- Publisher
- Elsevier Science
- Year
- 1987
- Tongue
- English
- Weight
- 289 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0020-711X
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๐ SIMILAR VOLUMES
## Abstract Human red blood cells (RBC) contain a cytoplasmic, nonhemoglobin protein which activates the (Ca^2+^โMg^2+^) ATPase of isolated RBC membranes. Results presented in this paper confirm that activation of (Ca^2+^โMg^2+^)ATPase is associated with binding of the cytoplasmic activator to the
Erythrocyte membranes prepared by three different procedures showed (Mg2+ + Ca2+)-ATPase activities differing in specific activity and in affinity for Ca2+. The (Mg2+ + Ca2+)-ATPase activity of the three preparations was stimulated t o different extents by a Ca2+-dependent protein activator isolated