Hi!
I would like to make some suggestions to enhance the utility of backtranseq:
- At present backtranseq uses the most preferred codon exclusively for a given 
amino acid. It would be nice if it could use all synonymous codons with 
probabilities defined by their usage. For example, codon usage for Ala in 
humans is 0.10, 0.22, 0.28 and 0.40 for GCG, GCA, GCT and GCC respectively. So, 
all 4 codons could be used for Ala, with GCC being used most often and GCG the 
least number of times.
- Allow for uniform usage of all synonymous codons, for example to carry out an 
in-silico experiment by eliminating codon preference.
- Also, I find if I give backtranseq a file in multi-fasta format, it 
translates only the first sequence.
Thanks.
Shrish
Dr. Shrish Tiwari
E503, Centre for Cellular and Molecular Biology
Uppal Road, Hyderabad - 500 007, INDIA
Phone: 91-40-27192777
Alternate email: [EMAIL PROTECTED]

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