3.4.24.60 (24-28)ANF pentapeptide i.e. Asn-Ser-Phe-Arg-Tyr, weak, substance P as substrate, inhibits cleavage of Gly9-Leu10 and Phe7-Phe8 bonds 90245 3.4.24.60 (25-28)ANF tetrapeptide i.e. Ser-Phe-Arg-Tyr, weak, substance P as substrate, inhibits cleavage of Gly9-Leu10 and Phe7-Phe8 bonds 90249 3.4.24.60 (Leu5)-enkephalin inhibitor of dactylysin towards substance P 132615 3.4.24.60 (Met5)-enkephalin inhibitor of dactylysin towards substance P 132616 3.4.24.60 1,10-phenanthroline metalloendopeptidase character 62 3.4.24.60 1,10-phenanthroline 0.01 or 0.05 mM Zn2+, Ca2+ or Mn2+ fully restores; metalloendopeptidase character 62 3.4.24.60 1,10-phenanthroline strongly inhibits 62 3.4.24.60 Acetorphan less efficient than phosphoramidon 29667 3.4.24.60 benzamidine weak 579 3.4.24.60 benzamidine not 579