Designing effective primers is the cornerstone of successful Polymerase Chain Reaction (PCR), quantitative real-time PCR (qPCR), and sequencing experiments. is widely considered the gold-standard, open-source tool for this task, enabling researchers to design specific primer pairs, hybridization probes, and sequencing primers.
If using the command-line version, the input is formatted as key-value pairs (often called "boulder-IO" format): primer3 input
Forces the primers to have a G or C at the 3' end to improve binding specificity. Designing effective primers is the cornerstone of successful