We know of a monoclonal Ab. vs. angiotensin converting enzyme,
but doubt that it's rat specific. For more info. contact QED
Advanced Research Technologies in San Diego: phone 619-451-8400,
fax 619-451-0105. Good Luck.
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Linscott's Directory of Immunological & Biological Reagents
4877 Grange Rd.
Santa Rosa CA 95404
707-544-9555