azoprotein
nounUS /ˌeɪzoʊˈpɹoʊtiːn/ · UK /ˌeɪzəʊˈproʊtiːn/
Etymology From azo- + protein.
1
Biochemistry, Biology, Chemistry, Microbiology, Natural sciences, Physical sciences Any protein, coupled with another material via a diazo linkage, that is used in immunochemical procedures