OpenTaq Expression from freegenes

Hi community! We were unable to obtain a significant expression of OpenTaq. We transformed BL21 cells with the plasmid sent by freegenes and induced with IPTG 0.5mM.
Have anyone expressed OpenTaq from this plasmid yet?
Javier

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Hey Javier,
Do you have pictures of your SDS gel? At what conditions did you express the protein (temperature, time, medium)?
All the best,
Kathrin