Figure 1

Screen shot of siRNA information resource (sIR). sIR provides a menu interface which can be used to switch between various modes such as Target design mode, Resource (database) mode, Accession Finder mode and Pre-computed siRNA mode. The user can choose from among the siRNA pre-computed designs or input a sequence and select various input parameters such as sequence/accession number, percent GC content, maximal nucleotide runs, open reading frame, pattern and scoring system for a custom analysis.