Number of Protein Chains:2
- Classes: Peptides
 - Folds: Peptide hormones
 - Superfamilies: Peptide hormones
 - Families: Peptide hormones
 
Protein Domains:
- Exendin-4
 - Pancreatic polypeptide
 - Pituitary adenylate cyclase-activating polypeptide, PACAP
 
	* [ ] : Polypeptide  - [AB] : Protein, [ab] : Small peptide
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
	
* ( ) : Nucleic acid - (AB) : DNA, (ab) : RNA
