1.21.1.1	iodotyrosine deiodinase	mucous gland	-	701712	
2.7.11.11	cAMP-dependent protein kinase	mucous gland	-	721241	
3.4.14.5	dipeptidyl-peptidase IV	mucous gland	acinar cells of mucous glands	703678	
3.4.21.35	tissue kallikrein	mucous gland	tracheal, primary cell culture	647511	
4.3.1.3	histidine ammonia-lyase	mucous gland	stomach	34308