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cDNA sequence for bovine biglycan (PGI) protein core
M A Torok1, S A Evans, J A Marcum
1Department of Pathology, Beth Isreal Hospital, Harvard Medical School, Boston, MA 02215.
Biochimica Et Biophysica Acta
|April 29, 1993
Summary
Researchers determined the bovine aortic smooth muscle cell biglycan sequence. This protein core shows high homology to human and rat biglycan, featuring 11 leucine-rich repeats and glycosylation sites.
Area of Science:
- Biochemistry
- Molecular Biology
- Genomics
Background:
- Biglycan is a leucine-rich proteoglycan found in the extracellular matrix.
- Understanding biglycan's structure and function is crucial for cell biology and disease research.
Purpose of the Study:
- To determine the nucleotide sequence of the protein core of bovine aortic smooth muscle cell biglycan.
- To analyze the deduced amino acid sequence and compare it with homologous proteins in other species.
Main Methods:
- Recombinant DNA technology was employed to obtain the nucleotide sequence.
- Bioinformatic analysis was used to deduce the amino acid sequence and identify structural features.
Main Results:
- The nucleotide sequence of bovine biglycan protein core was successfully determined.
- A high degree of amino acid sequence homology was observed between bovine, human (94.6%), and rat (95.7%) biglycan.
- The bovine biglycan protein core contains 11 leucine-rich repeat units, four potential O-linked glycosylation sites, and two potential N-linked glycosylation sites.
Conclusions:
- Bovine aortic smooth muscle cell biglycan shares significant sequence homology with its human and rat counterparts.
- The identified structural features provide insights into the post-translational modifications and functional domains of bovine biglycan.