[EMBOSS] A question about uniform sequence address (USA)

[ajb at ebi.ac.uk]

This isn't built into the USA yet. There is, however, a program called
'nthseq' in the distribution which will do this. It is a little limited
but may be enough for your needs.

HTH

Alan

> Hi, dear all,
>
>       As we all know, we can use USA grammar like this:
> Format::database:entryname[1:50]. This is referred to as first 1 to 50
> residues (nt for dna) of entry "entryname" in database.
>      But now I have a sequencial database(eg.  a flatfile or fasta
> format sequence file), can we use the entry position (not the entry
> name ) to refer the entry? For example, how can I get the 5th sequence
> in the flatfile? Can USA handle this kind of request?
>     Thanks.
>
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