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lrob lrob
wrote...
Posts: 30
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13 years ago
If I had a nucleotide sequence (eg. CGACCTGGA... etc. etc.) for a whole gene, how do I find out the first five amino acids encoded by this sequence? Thanks!
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Educator
13 years ago Edited: 13 years ago, bio_man
Say you had: CGACCTGGA

First, you would translate that code into a mRNA. You know that the code given originated from because it contains thymine. RNA doesn't contain thymine, but uracil (U) instead. Anyways, if that is the template strand, you would rewrite it like this:

Template strand:    CGACCTGGA
New mRNA strand: GCUGGACCU

- Where C becomes G (vice versa); T becomes A; A becomes U...

Using the code GCUGGACCU, you could figure out which amino acids make up this code by looking at the chart shown below. For instance, you would look up GCU = Ala (Alanine). So, Alanine will be your first amino acid in the protein that is translated.

Make sense?
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lrob Author
wrote...
13 years ago
Thanks, this is great!
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