Single step purification of rat liver aldolase using immobilized artificial membrane chromatography

Journal of Chromatography. B, Biomedical Sciences and Applications
H LiuC Pidgeon

Abstract

Aldolase B is a peripheral membrane protein. Immobilized artificial membrane (IAM) surfaces were used to purify rat liver aldolase B in a single chromatographic step. Selective elution required dipalmitoylphosphatidylcholine (DPPC) to be included in the mobile phase. Selective elution of aldolase from the IAM column when DPPC (0.2 mM) was added to the mobile phase indicates that DPPC was an affinity displacing ligand for this membrane associated protein. Since tissue preparation involved only homogenization and centrifugation, the single step purification of aldolase B using IAM chromatography is a very convenient method. The IAM stationary phase (1.5 g) has a loading capacity of at least 4.39 mg total protein from rat liver homogenates and typically approximately 17.7 microg of pure aldolase in a single step from approximately 60 mg wet weight rat liver cytosol can be obtained.

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Citations

Dec 16, 2000·Pharmaceutical Science & Technology Today·T Geetha, S Singh
Jan 4, 2012·Journal of Pharmaceutical Sciences·Pooja Naik, Luca Cucullo
Dec 9, 2008·Bioscience, Biotechnology, and Biochemistry·Yoshinori UekusaTsutomu Nakayama

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