3.1.4.12	sphingomyelin phosphodiesterase	HBE-1 cell	bronchial epithelial cell line	679685	
6.3.2.2	glutamate-cysteine ligase	HBE-1 cell	-	690385, 690630	
6.3.2.2	glutamate-cysteine ligase	HBE-1 cell	immortalized bronchial epithelial cells from a healthy individual	651392