In Bacillus megaterium and Bacillus subtilis, POR is a C-terminal domain of CYP102, a single-polypeptide self-sufficient soluble P450 system (P450 is an N-terminal domain).
In Bacillus megaterium and Bacillus subtilis, POR is a C-terminal part of CYP102, which is a single-polypeptide self-sufficient soluble P450 system (P450 is an N-terminal part).