3.1.4.45 brain - 135489 3.1.4.45 brain especially splicing isoform 2 715644 3.1.4.45 commercial preparation soluble enzyme 730579 3.1.4.45 L-cell mouse WT 1-38 L-cells expressing human wild-type UCE 652287 3.1.4.45 liver - 135489, 135490 3.1.4.45 LoVo cell derived from a lymph node metastasis of a human colon adenocarcinoma, CCL-229, extremely low UCE activity due to a lack of the activating endoprotease furin, addition of furin restores UCE activity 652287 3.1.4.45 lymphoblast - 135491 3.1.4.45 lymphoma cell - 135494 3.1.4.45 ovary - 135492 3.1.4.45 placenta - 135500 3.1.4.45 serum - 135490, 135492 3.1.4.45 skin fibroblast - 135492