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What does '*' Amino Acid in BLOSUM Matrix of MATLAB mean?

The BLOSUM(n) [e.g. BLOSUM(62)] returns a 24 by 24 matrix with the following amino acid sequence 'A R N D C Q E G H I L K M F P S T W Y V B Z X *'. The first 20 are amino acids, the next three are special amino acid characters, what does * stand for? Does it stand for Gap(-). Source: http://in.mathworks.com/help/bioinfo/ref/blosum.html

matlab blosum amino acid protein
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updated by Michael Dondrup Michael Dondrup • written by mithrandir • mithrandir

2 answers

Its a translation stop. See here or here. Btw, I also just googled ;)

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written by Aerval Aerval

Wherever I have seen it * stands for stop-codon.

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written by Michael Dondrup Michael Dondrup

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