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Fig. 4. Alignment of selected sequences from peptidase family M28. Sequences
have been selected from an alignment of all known peptidase members of family
M28. Sequences are numbered according to the type example for the family,
aminopeptidase S (Streptomyces griseus). Active site residues are
indicated by asterisks, and metal ligands by hash (#) symbols. The cysteines
involved in the known disulfide bridge in aminopeptidase S are indicated (+).
Cysteines taking part in the same disulfide bridge are denoted as/1 and 1\.
Key to sequences: (a) aminopeptidase S (Streptomyces griseus); (b)
aminopeptidase Ap1 (Vibrio proteolyticus); (c) glutamate
carboxypeptidase II (Homo sapiens); (d) agCP10156 protein
(Anopheles gambiae); (e) agCG47216 protein (Anopheles
gambiae); (f) Fxna peptidase (Rattus norvegicus); (g) Fxna
peptidase (Mus musculus); (h) Fxna peptidase (Pan
troglodytes); (i) Fxna peptidase (Homo sapiens); (j) Fxna
peptidase (Canis familiaris); (k) Fxna peptidase (Gallus
gallus); (l) IAP aminopeptidase (Escherichia coli).