[Bioperl-l] can't retrive certain sequences from remote db

[Alice Lu]

Hi everyone,

Why is that I can't retrieve certain sequences from remote database? For the following example, I have tried:

 $seq=$gb->get_Seq_by_Acc("AJ322540");
or 
 $seq=$gb->get_Seq_by_gi("15866774");

Both failed. In the meantime, it works for some other Accession Numbers. it looks like some sequences just aren't in the database even though they have accession number and GI number. The reason? I don't know. 

Any suggestions will be appreciated. 

Alice