POR and infection: Each of the P450s was co-expressed with CPR by simultaneous infection of Sf9 cells through two recombinant viruses, P450-recombinant baculovirus (P450rbv) with MOI 0.5 and CPR-recombinant baculovirus (CPRrbv) with MOI 0.05, in the suspension culture (Gong et al., 2017).