Hi! Is it possible to use showfeat with only annotations (*.gbs files in NCBI)? I tried using it with the following command: showfeat -pos -matchtype mRNA -width 0 mm_ref_chr1.gbs But ended up with a whole lot of warnings and error, part of which is shown below: .... Warning: bad /protein_id value 'NP_659045.2' Warning: NT_078297: Bad value 'NP_659045.2' for tag '/protein_id' Warning: Sequence 'genbank::mm_ref_chr1.gbs:NT_078297' has zero length, ignored Error: Unable to read sequence 'mm_ref_chr1.gbs' Shrish Dr. Shrish Tiwari E503, Centre for Cellular and Molecular Biology Uppal Road, Hyderabad - 500 007, INDIA Phone: 91-40-27192777 Alternate email: shrish.geo@yahoo.com