chromoprotein

chromoprotein [kroh-muh-proh-teen, -tee-in] Word Origin noun Biochemistry.

1. a protein, as hemoglobin or rhodopsin, containing a pigmented nonprotein group, such as heme, riboflavin, or retinal.

Origin of chromoprotein First recorded in 1920–25; chromo- + protein British Dictionary definitions for chromoprotein chromoprotein noun

1. any of a group of conjugated proteins, such as haemoglobin, in which the protein is joined to a coloured compound, such as a metal-containing porphyrin