Visualization of protein similarity matrix
Hello ! I have a protein similarity matrix created from an MSA by scoring 1 if the AA is the same and 0 otherwise. I would like to visualize groups in this matrix, but I am not sure which method to use. Should I use MDS,PCA,clustering... ? I am not sure that the matrix I have can be converted into a true distance metric. Also, it is pretty big (20000*20000) so this complicates things.
Thank you very much for your suggestions !
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