PMID:1371277
| Citation |
Juranka, P, Zhang, F, Kulpa, J, Endicott, J, Blight, M, Holland, IB and Ling, V (1992) Characterization of the hemolysin transporter, HlyB, using an epitope insertion. J. Biol. Chem. 267:3764-70 |
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| Abstract |
The prokaryotic hlyB gene product is a member of a superfamily of ATP-binding transport proteins that include the eukaryotic multidrug-resistance P-glycoprotein, the yeast STE6, and the cystic fibrosis CFTR gene products (Juranka, P. F., Zastawny, R. L., and Ling, V. (1989) FASEB J. 3, 2583-2592). Previous genetic studies have indicated that HlyB is involved in the transport of the 107-kDa HlyA protein from Escherichia coli; however, the HlyB protein has not been purified for biochemical studies due to its low abundance. In this study, we have engineered a monoclonal antibody epitope into the C-terminal end of HlyB that did not destroy its function. This has allowed us to use immunological methods to identify and localize various molecular forms of the HlyB protein present in vivo. |
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| Keywords |
Amino Acid Sequence; Antibodies, Monoclonal/immunology; Bacterial Outer Membrane Proteins/genetics; Bacterial Outer Membrane Proteins/metabolism; Bacterial Proteins; Base Sequence; Biological Transport; Blotting, Western; Carrier Proteins/genetics; Carrier Proteins/metabolism; DNA, Bacterial; Epitopes/genetics; Escherichia coli/metabolism; Hemolysin Proteins/genetics; Hemolysin Proteins/metabolism; Molecular Sequence Data; Mutagenesis, Site-Directed; Mutation; Plasmids |
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