| TCID | Name | Organismal Type | Example |
|---|---|---|---|
| 1.B.3.1.1 | LamB (MalL) maltoporin (maltose–maltoheptose) | Bacteria | LamB of E. coli |
| 1.B.3.1.2 | Oligosaccharide porin ScrY (sucrose, raffinose and maltooligo-saccharides) | Bacteria | ScrY of Salmonella typhimurium |
| 1.B.3.1.3 | Porin with specificity for β-glucosides, BglH (arbutin, salicin, gentibiose) | Bacteria | BglH (YieC) of E. coli |
