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We have studied the cellular localization of human adenosine deaminase binding protein in human skin fibroblasts. The binding activity sediments with the membrane fractions in a subcellular fractionation, and anti-binding protein antiserum reacts with the cell surface of intact fibroblasts, as shown by indirect immunofluorescence. The surface of intact(More)
We have selected the rat preputial gland beta-glucuronidase as a model protein to study the sorting of newly synthesized lysosomal hydrolases to the lysosome. The complete coding sequence of beta-glucuronidase messenger RNA was determined from the sequences of a group of overlapping cDNA clones isolated from preputial gland cDNA libraries. The(More)
We have characterized the NH2-terminal sequence of the primary translation product of intestinal apolipoprotein A-I mRNA. Co-translational cleavage of this in vitro product and NH2-terminal sequence analysis of plasma high density lipoprotein-associated apolipoprotein A-I showed that it is initially synthesized as a preproprotein. The 24-amino-acid(More)
The antigen recognized by a mouse monoclonal antibody (mAb S27) raised against a human renal cancer cell line has been identified as the adenosine deaminase binding protein. mAb S27 immunoprecipitates binding protein purified from a soluble fraction of human kidney. It also recognizes the mature 120,000-dalton membrane form of binding protein from(More)
The adenosine deaminase-binding protein has previously been localized to the cell surface of human fibroblasts (Andy, R. J., and Kornfeld, R. (1982) J. Biol. Chem. 257, 7922-7925). In this study we examine the biosynthesis of binding protein in human fibroblasts, human hepatoma HepG2 cells, and a human kidney tumor cell line. Binding protein(More)
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