hemoprotein vs compound protein

hemoprotein and compound protein both are nouns.

Word	Noun	Adjective	Verb	Adverb
hemoprotein	Yes	No	No	No
compound protein	Yes	No	No	No

As nouns, compound protein is a hypernym of hemoprotein; that is, compound protein is a word with a broader meaning than hemoprotein:

hemoprotein: a conjugated protein linked to a compound of iron and porphyrin
compound protein: a protein complex combining amino acids with other substances

Other hypernyms of hemoprotein include conjugated protein.

hemoprotein (noun)	compound protein (noun)
a conjugated protein linked to a compound of iron and porphyrin	a protein complex combining amino acids with other substances