Hi, i doing my research to ligate my insert to vektor pBI121. i used 2 enzim for dygest vektor both of them is hindIII and BamHI and I continue with blunt end them both.. i do ligate for several time but i didnt find my insert on it after I ligate and culture them in plate (self ligation) and i had confrm with PCR confirmation but there's no insert on it.