Use pPACK-BALD as an envelope protein-free negative control for pPACK-SPIKE or to easily generate pseudotyped virus with your chosen envelope protein.
Based on SBI’s popular and highly cited pPACKH1 Packaging System
Omits the envelope protein expression vector
Ideal for COVID-19 research as a negative control for pPACK-SPIKE  or pPACK-SPIKE D614G
Easily add your own envelope protein expression vector to customize the pseudotype
Package any 3rd-generation lentivector reporter of your choice, including SBI’s popular LentiLabeler reporters