globin vs simple protein

globin and simple protein both are nouns.

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

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

globin: a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells
simple protein: a protein that yields only amino acids when hydrolyzed

globin (noun)	simple protein (noun)
a colorless protein obtained by removing heme from hemoglobin; the oxygen carrying compound in red blood cells	a protein that yields only amino acids when hydrolyzed