Hooper, N. M., Keen, J., Pappin, D. J., Turner, A. J. (October 1987) Pig kidney angiotensin converting enzyme. Purification and characterization of amphipathic and hydrophilic forms of the enzyme establishes C-terminal anchorage to the plasma membrane. Biochem J, 247 (1). pp. 85-93. ISSN 0264-6021 (Print)0264-6021 (Linking)