Claperon, C.; Rozenfeld, R.; Iturrioz, X.; Inguimbert, N.; Okada, M.; Roques, B.; Maigret, B.; Llorens-Cortes, C.
Asp218 participates with Asp213 to bind a Ca2+ atom into the S1 subsite of aminopeptidase A: a key element for substrate specificity (2008), Biochem. J., 416, 37-46.