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Biochemistry, Biophysics, and Structural Biology Commons

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Molecular Biology

Masters Theses

Biochemistry and molecular biology

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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology

Expression And Purification Of Human Lysosomal Β-Galactosidase From Pichia Pastoris, Sarah E. Tarullo Jan 2014

Expression And Purification Of Human Lysosomal Β-Galactosidase From Pichia Pastoris, Sarah E. Tarullo

Masters Theses

Lysosomal storage diseases are genetically inherited diseases caused by the dysfunction of lysosomal enzymes. In a normal cell, lysosomal enzymes cleave specific macromolecules as they are transported to the lysosome. However, in diseased cells, these lysosomal enzymes are either absent or malfunctioning, causing macromolecular substrates to accumulate, becoming toxic to the cell. Over fifty lysosomal storage diseases have been identified, collectively occurring in one out of 7,700 live births. We investigated the lysosomal enzyme β-galactosidase (β-gal). In order to study the biochemistry and enzymology of this protein a robust expression system was needed. The GLB1 gene has been inserted ...