Enzyme | Oxygen | Light | Types | Encoded | Cofactor | Present in |
COR (EC .3.99.35) | Sensitive | Independent | BchX, BchY and BchZ | Chloroplast | ATP; NADPH; [Fe-S] | NS bacterium |
DVR (EC 1.3.1.75) | Sensitive | Independent | BciA and BciB | Chloroplast (etioplast) | [4Fe-S]; FAD; NADPH | All Phototrophs |
DPOR (EC 1.3.7.7) | Sensitive | Independent | (subunits): BchB/ChlB, BchL/ChlL and BchN/ChlN | Chloroplast | ATP; NADPH; [Fe-S] | Anoxigenic bacteria, Photos. bacteria, cyanobacteria, plants (except angiosperms |
LPOR (EC 1.3.1.33) | Insensitive | Dependent | (isoforms):porA, porB and porC | Nucleus | NADPH | cyanobacteria and plants |