Binary to DNA sequence encoding - matlab

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Meghashree G 2015-9-20

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https://ww2.mathworks.cn/matlabcentral/answers/244076-binary-to-dna-sequence-encoding-matlab

评论： Image Analyst 2021-2-5

采纳的回答： Image Analyst

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I am implementing DNA encryption algorithm.

For that, I have a vector containing binary values such as:

01100011 01110010 01111001 01110000 01110100 01101111.

Now, these values should be mapped to DNA sequence. How do I do that in MATLAB?

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Star Strider 2015-9-20

DNA has four bases (two complementary sets, A-T and C-G) and you have a binary sequence ...

Meghashree G 2015-9-20

yeah..i know To use ATGC concept,but i don't know how to code..Like how do i extract only 2 digits from the binary vector and assign it to either A,T,G,C..

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Image Analyst 2015-9-20

2
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Perhaps this:

% Assign sample data.
binaryArray = [0,1,1,0,0,0,1,1, 0,1,1,1,0,0,1,0, 0,1,1,1,1,0,0,1, 0,1,1,1,0,0,0,0, 0,1,1,1,0,1,0,0, 0,1,1,0,1,1,1,1];
% Define base letters to choose from.
bases = 'ATGC';
for k = 1 : 2 : length(binaryArray)
  % Convert these two digits into a number 1 - 4.
  index = 2 * binaryArray(k) + binaryArray(k+1) + 1;
  % Use that index to assign a letter to our result.
  result((k+1)/2) = bases(index);
end
% Display in command window:
result