Pepsinhttp://www.bio.davidson.edu/Courses/Molbio/MolStudents/spring2010/Gonzalez_Stewart/Picture%201.png

Reninhttps://upload.wikimedia.org/wikipedia/commons/9/93/PDB_2ren_EBI.jpg

Amilasehttp://www.sridianti.com/wp-content/uploads/2013/08/enzim-amilase.jpg

Lipasehttp://3.bp.blogspot.com/-297dwaQw3_g/UP1Sm-fFjSI/AAAAAAAABLI/SEXZLJBiUGs/s320/Enzim+Lipase.jpg

https://rcastly.files.wordpress.com/2014/03/struktur-maltosa.jpg

http://s1082.photobucket.com/user/Baguz_Fitriansyah/media/Lactoperoxidase_2R5L.png.html (laktase)

https://upload.wikimedia.org/wikipedia/commons/thumb/7/7d/Sucrose-rodmodel.png/200px-Sucrose-rodmodel.png (sukrase)

https://upload.wikimedia.org/wikipedia/commons/thumb/1/1a/Protein_HTRA2_PDB_1lcy.png/250px-Protein_HTRA2_PDB_1lcy.png (peptidase)

https://www.reagentworld.com/upload/propic1/propic_4920.gif (erepsin)