1984
/ JOHNSON, D.M.A., GAGNON, J. AND REID, K.B.M. Amino acid sequence of human factor D of the complement system. Similarity in sequence between factor D and proteases of non-plasma origin. FEBS LETT. (1984) 166, 347-351. ... Location of the...
http://www2.bioch.ox.ac.uk/immunoch/refs/1984.htm