PAM250 and BLOSUM62 probability of substitution matrices
Why H↔R is more probable in PAM250 and W↔F more probable in BLOSUM62.
I want to understand the probability score how they are probable.
Kindly guide me.
Thanks in advance.
Regards,
Maria Saeed
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Mensur Dlakic
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Maria Saeed •
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Maria Saeed •
1 answer
See here for a summary of differences between PAM and BLOSUM matrices. A short answer to your question is that these matrix families are based on different sets of alignments, both in terms of length and in terms of evolutionary distance.
This video may be useful.
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