Product Information: ACE2 (human) ELISA Kit: Colorimetric Assay for in vitro Quantitative Determination of Human ACE2 in Urine, Cell Culture Supernatant etc.. Assay Range 0.391-25 ng/ml and Detection limit 293 pg/ml.100 Assays. Background: By EST database searching for sequences showing homology to the zinc metalloprotease angiotensin-I converting enzyme, a full-length ACE2 cDNA, originally called ACEH, was isolated, which encoded a deduced 805-amino acid protein that shares approximately 40% id