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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Toneguzzo, F. Ghosh, H. P. |
| Abstract | Coupling of ribonucleoprotein particles from L cells infected with vesicular stomatitis virus to a pre-incubated ribosomal system obtained from uninfected HeLa cells allowed synthesis of two proteins. G1 (molecular weight 63,000) and G2 (molecular weight 67,000), and all other proteins of vesicular stomatitis virus except the spike protein G (molecular weight 69,000). Analyses of the tryptic peptides showed that G1, G2, and G had identical peptide sequences. The synthesis of G2 required the presence of membranes; only G1 was synthesized in the absence of any membranes. G2 but not G1 was shown to be a glycoprotein by affinity chromatography on a concanavalin A-Sepharose column. Removal of sialic acid residues from G by neuraminidase resulted in a product having an identical mobility to G2. Digestion of G2 or G with a mixture of neuraminidase (EC 3.2.1.18), beta-galactosidase (EC 3.2.1.23), and beta-N-acetylglucosaminidase (EC 3.2.1.30), however, produced a protein of molecular weight 65,000. These data suggest that G2 is the desialated G and is formed by glycosylation of G1, which is the unglycosylated polypeptide backbone of G. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 4 |
| Volume Number | 74 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 1977-06-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Glycoproteins Vesicular Stomatitis Indiana Virus Metabolism Cell Membrane Chromatography, Affinity Concanavalin A Biosynthesis Isolation & Purification L Cells (Cell Line) Molecular Weight Peptide Fragments Polyribosomes Protein Biosynthesis Transcription, Genetic Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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