Rhesus monkey angiotensin I converting enzyme 2 (ACE2), also known as ACEH, Genbank Accession No.: ACI04553.1, a.a. 18-739, fused at the C-terminus of the Fc portion of human IgG1, expressed in a HEK293 expression system, MW= 119 kDa. This protein runs at a higher MW due to glycosylation.