[Bioperl-l] Retrieve of GenBank protein sequences

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Dear BioPerl users,
     I have a lot of proteins needed to retrieve their FASTA files from NCBI, 
but get a lot of exceptions.   FASTA sequences (such as Q92731, RWHUT4 and 
NP_523996 (GenBank ID)) do exist in NCBI, but BioPerl returns an exception 
error message (see attached word file).  The modules I am using is 
genbank.pm. 
     Can someone tell me what goes wrong.

--
May God Bless You.
Ka-Lok Ng
Department of Biological Science and Technology
Taichung Healthcare and Management University
No. 500, Lioufeng Road, Wufeng Shiang
Taichung, Taiwan 413
Taiwan
(O) 04-23323456 x 1856

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