pMBL™ T-Vector DNA Cloning Kit is an efficient, convenient and fast system for the cloning of PCR products. The vector is prepared by cutting pMBL™ T-Vector with EcoRV and adding a 3´ terminal thymidine to both ends. These single 3´-T overhangs at the insertion site greatly improve the efficiency of ligation of a PCR product into the plasmids by preventing recircularization of the vector and providing a compatible overhang for PCR products generated by certain thermostable polymerases such as Horse-Power™ Taq DNA Polymerase.
These Polymerases often add a single deoxyadenosine, in a template-independent fashion, to the 3´-ends of the amplified fragments.
For more details: https://lifescience.canvaxbiotech.com/product/pmbl-t-vector-dna-cloning-kit/