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What is a scoring matrix?



What is a scoring matrix?..

Answer / swapna

A matrix that defines scores for amino acid substitutions,
reflecting the similarity of physicochemical properties,
and observed substitution frequencies.


A symmetric matrix indicating the degree of similarity
between any two amino acids. The number of matrix elements
is equal to the number of amino acid types squared. The
values of the elements depends on the scoring criterion
used.

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