Submitted by György Chityil ... on Fri, 01/19/2018 - 21:46 Hierarchy: NounDescription: {{protein}} Any protein, such as haemoglobin, that has a metal-containing pigmented group such as haem.Ngram: chromoproteinNgram Text: chromoproteinSource: WiktionaryIssue: 0Wiktionary tag: proteinNgram Count: 1