Pheophorbide a oxygenase family protein with Rieske domain; IPR013626 (Pheophorbide a oxygenase), IPR017941 (Rieske [2Fe-2S] iron-sulphur domain); GO:0010277 (chlorophyllide a oxygenase [overall] activity), GO:0016491 (oxidoreductase activity), GO:0055114 (oxidation-reduction process)