1.14.14.18 heme oxygenase (biliverdin-producing) basophilic leukemia cell line - 671791 3.2.1.52 beta-N-acetylhexosaminidase basophilic leukemia cell line - 665199 3.4.21.76 Myeloblastin basophilic leukemia cell line - 665920 4.4.1.20 leukotriene-C4 synthase basophilic leukemia cell line - 644500, 644505, 644509