You will now build a 15 amino acid peptide using another paper or wire backbone as you did above. You will pick 15 amino acids, matching the criteria below, and put them onto your backbone about 3 inches apart. This will be the primary structure of your novel protein. Select 15 amino acids that meet the following criteria 6 hydrophobic R groups 2 acidic R groups 2 basic R groups 2 cysteine R groups 3 hydrophilic R groups Place the R groups in any order you choose on your paper or wire backbone as you did above. Start at the N-terminus and place each R group about 3 inches apart until all 15 are attached to the mini toolbar. You have just built the primary structure of your protein. Question 1: Record the sequence of amino acids in your protein, starting with the N-terminus. The N-terminus is the end of the polypeptide that has a free nitrogen group. The C-terminus, or carboxyl end, will have a free carboxyl group. You can use the three letter amino acid abbreviation to list your 15 amino acids below.
You will now build a 15 amino acid peptide using another paper or wire backbone as you did above. You will pick 15 amino acids, matching the criteria below, and put them onto your backbone about 3 inches apart. This will be the primary structure of your novel protein.
Select 15 amino acids that meet the following criteria
- 6 hydrophobic R groups
- 2 acidic R groups
- 2 basic R groups
- 2 cysteine R groups
- 3 hydrophilic R groups
Place the R groups in any order you choose on your paper or wire backbone as you did above. Start at the N-terminus and place each R group about 3 inches apart until all 15 are attached to the mini toolbar. You have just built the primary structure of your protein.
Question 1: Record the sequence of amino acids in your protein, starting with the N-terminus. The N-terminus is the end of the polypeptide that has a free nitrogen group. The C-terminus, or carboxyl end, will have a free carboxyl group. You can use the three letter amino acid abbreviation to list your 15 amino acids below.
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