| Primer name | Primer sequence (5’-3’) | Usage |
| E3 upl-F | CGACAAGAAGGCGATGGCGAC | PCR |
| E3 upl-R | TCTTCATCATTAGCAATATGCATTCC | |
| E3 upl-F2 | GATATCGACAAGAAGGCGATGGCGAC (EcoR V) | pET32a |
| E3 upl-R2 | GAATTCTCAGGGATCAGCAGAAGCAGG (EcoR I) |