1. Here is the amino acid sequence of part of a hypothetical gene you want to clone: Pro-Arg-Tyr-Met-Cys-Trp-Ile-Leu-Met-Ser a. What sequence of five amino acids would give a 14-mer probe with the least degeneracy for probing a library to find your gene of interest? Notice that you do not use the last base in the fifth codon because of its degeneracy. b. How many different 14-mers would you have to make in order to be sure that your probe matches the corresponding sequence in your cloned gene perfectly? c. If you started your probe one amino acid to the left of the one you chose in (a), how many different 14-mers would you have to make? Use the genetic code to determine degeneracy.
1. Here is the amino acid sequence of part of a hypothetical gene you want to clone: Pro-Arg-Tyr-Met-Cys-Trp-Ile-Leu-Met-Ser a. What sequence of five amino acids would give a 14-mer probe with the least degeneracy for probing a library to find your gene of interest? Notice that you do not use the last base in the fifth codon because of its degeneracy. b. How many different 14-mers would you have to make in order to be sure that your probe matches the corresponding sequence in your cloned gene perfectly? c. If you started your probe one amino acid to the left of the one you chose in (a), how many different 14-mers would you have to make? Use the genetic code to determine degeneracy.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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1. Here is the amino acid sequence of part of a hypothetical
gene you want to clone:
Pro-Arg-Tyr-Met-Cys-Trp-Ile-Leu-Met-Ser
a. What sequence of five amino acids would give a 14-mer
probe with the least degeneracy for probing a library to
find your gene of interest? Notice that you do not use the
last base in the fifth codon because of its degeneracy.
b. How many different 14-mers would you have to make
in order to be sure that your probe matches the
corresponding sequence in your cloned gene perfectly?
c. If you started your probe one amino acid to the left of the
one you chose in (a), how many different 14-mers would you
have to make? Use the genetic code to determine degeneracy.
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