3.4.24.62	Hydrolysis of polypeptides with Arg or Lys in P1 and P2, e.g. to hydrolyse pro-oxytocin at -Lys-Arg-/-Ala-Val-. The specificity further depends on the organization of a beta-turn-alpha-helix of nine or more residues containing the paired basic amino acids near the centre	-	-