Author： Golabek A.A. Kaczmarski W. Kida E. Kaczmarski A. Michalewski M.P. Wisniewski K.E.
Publisher： Academic Press
ISSN： 1096-7192
Source： Molecular Genetics and Metabolism, Vol.66, Iss.4, 1999-04, pp. : 277-282
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Abstract
The gene for Batten disease, the CLN3 gene, encodes a novel, highly hydrophobic, multitransmembrane protein, predicted to consist of 438 amino acid residues. We have expressed a full-length CLN3 protein in fusion with green fluorescent protein in various cell lines to provide its initial biochemical characterization and subcellular localization. By using Western blotting, Percoll density gradient fractionation, and Triton X-114 extraction, we demonstrate that the product of the CLN3 gene, which we call battenin, in mammalian expression system studied is a highly glycosylated protein of lysosomal membrane. In addition our data suggest that CLN3 protein is processed proteolytically in acidic compartments of the cell. Thus, battenin represents the novel constituent of a growing family of lysosomal membrane proteins.
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By Kida E. Kaczmarski W. Golabek A.A. Kaczmarski A. Michalewski M. Wisniewski K.E.
Molecular Genetics and Metabolism, Vol. 66, Iss. 4, 1999-04 ,pp. :
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