a human pituitary-derived serine protease , immunologically identical to human lung tryptase ( smith , t. j. , hougland , m.w. , and johnson , d.a . ( 1984 ) j. biol . chem . 259 , 11046-11051 ) , was found immunohistochemically to be associated with mast cells present in pituitary connective tissue .
C0036734
serine protease
C0147080
lung tryptase