
DRAFT
December 16, 2004 3:54 pm, GSG_Chapter_4-03.fm
Chapter 3 Designing Primers and Probes for Allelic Discrimination Assays
Automatically Designing Primers and Probes
30 Primer Express Software 3.0 Getting Started Guide
Notes
Figure 9. Sequence tab
Note: If you select the Double-Stranded checkbox in the Sequence tab, both sense and
anti-sense strands will be displayed. However, primers and probes are designed using the
sense strand sequence only.
Assigning a SNP
Target
To assign a SNP target:
1. Highlight the SNP target site.
2. Select Edit > Annotate > SNP Target ( ) then select the variant for the SNP
site. To determine the variant to select, find the two possible variant bases for your
SNP, then click the code between the two bases. In the example sequence provided,
the SNP target is located at position 528 as a G/A variant, so click R, then OK (see
“Figure 10. Determining variant using SNP Target Tool” on page 31).
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