python - Biopython CodonTable error? -


i writing code intended translate ambiguous dna codes possible amino acids , seeing strange translation biopython 1.56 package. appears translating ambiguous dna codes 'j' not exist code anything. running python 2.6.1 on mac os 10.6.6.

for example:

>>>from bio.seq import * >>>translate('arawtagkamta') 'xjxj'

or 

>>>from bio.seq import seq >>>c = seq('arawtagkamta') >>>c.translate().tostring() 'xjxj'

i have looked through bio.data.codontable source , bio.seq source , cannot find reason why happening. ideas?

thanks!

mark

j leucine (l) or isoleucine (i), used in mass-spec (nmr).

see http://biostar.stackexchange.com/questions/5688/biopython-translation-error


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