Chromoprotein

Chromoproteins, also chromo, are proteins that contain a principal or Nebenvalenzbindung a dye component as a prosthetic group. These include cytochrome, hemoglobin, catalase, rhodopsin, the phycobiliproteins (see Phycobiliproteide ) and the phytochrome of Sogn. " Bright red - far-red system ". The prosthetic group often includes doing an iron- containing or copper - containing porphyrin compound. Carotenoids are sometimes part of chromoproteins.