Detailed structural analysis of protein necessitates investigation at primary, secondary and tertiary levels, respectively. Insight into protein
secondary structures pave way for understanding the type of secondary structural elements involved (α-helices, β-strands etc.), the amino
acid sequence that encode the secondary structural elements, number of residues, length and, percentage composition of the respective
elements in the protein. Here we present a standalone tool entitled “ExSer” which facilitate an automated extraction of the amino acid
sequence that encode for the secondary structural regions of a protein from the protein data bank (PDB) file.AvailabilityExSer is freely downloadable from http://code.google.com/p/tool-exser/
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