. "Reviewed: D'Eustachio, P, Matthews, L, Gillespie, ME, 2008-12-02 16:25:31"^^ . "Edited: May, B, Gopinathrao, G, 2008-11-19 20:02:07"^^ . "Prostate specific Antigen (PSA) cleaves IGFBP-3 in the IGF:IGFBP-3:ALS Complex between amino acids 186 and 187. Other cleavage sites were observed but not reproducibly. These may have been caused by impurities in the PSA preparation."^^ . . . . . . . . . . . . . . . "Proteolysis of the IGF:IGFBP-3:ALS Complex by Prostate-specific Antigen"^^ . "3.4.21"^^ . . . . . . . . .