protamine vs simple protein

protamine and simple protein both are nouns.

Word	Noun	Adjective	Verb	Adverb
protamine	Yes	No	No	No
simple protein	Yes	No	No	No

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

protamine: a simple protein found in fish sperm; rich in arginine; simpler in composition than globulin or albumin; counteracts the anticoagulant effect of heparin
simple protein: a protein that yields only amino acids when hydrolyzed

protamine (noun)	simple protein (noun)
a simple protein found in fish sperm; rich in arginine; simpler in composition than globulin or albumin; counteracts the anticoagulant effect of heparin	a protein that yields only amino acids when hydrolyzed