Abstract
Using an antibody against chicken apolipoprotein (apo) A-I, we identified multiple cDNA clones for the protein in two intestinal cDNA libraries in λgtll. The complete nucleotide sequence of chicken apoA-I cDNA was determined. The sequence predicts a mature protein of 240 amino acids, a 6-amino acid propeptide and an 18-amino acid signal peptide. Using a 32P-cDNA probe, we detected the presence of apoA-I mRNA in 21 day old chicken intestine, liver, kidney, spleen, breast muscle and brain. The primary sequence of apoA-I contains numerous tandem repeats of 11 and 22 residues in a manner similar to the mammalian proteins. Our analysis of apoA-I sequences from human, rabbit, dog, rat, and chicken indicates that the rate of amino acid substitution is considerably faster in the rat lineage than in other mammalian lineages.
| Original language | English |
|---|---|
| Pages (from-to) | 485-492 |
| Number of pages | 8 |
| Journal | Biochemical and Biophysical Research Communications |
| Volume | 148 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 14 Oct 1987 |
| Externally published | Yes |
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