Fig. 3

Topology structures and superimposition of AsAPN-1 and AgAPN-1. a AgAPN-1 (4WZ9 PDB) structure as reference molecule; b close-up view of superimposition of the ookinete attachment site; c close-up view of superimposition of the zinc-binding site d close-up view of superimposition of Gluzincin which is conserved domain in M1 metalloproteases; e close-up view of the superimposition of cysteine which participate in disulfide bridge construction