[Bioperl-l] about BioPerl DB module

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Hi, all
I have some sequence databases such as RefSeq in flat
GenPept/GenBank format, 
while there is a list of GI number and I want extract
the sequence from the 
database according to the GI number. How should I do?
Using Bio::DB::Flat module to index the database? But
there is no method 
called get_Seq_by_gi() in that module.

Best,

Jarod


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