Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Homology in the vicinity around the zinc-binding and substrate binding sites of Pz peptidases A and B, TOP, and neurolysin (protein ID P42676). Strictly conserved amino acid residues are indicated by asterisks, semiconservative ones are indicated by stacked dots, and less conservative ones are indicated by single dots. Boxed regions denote helices assigned in TOP.
