| IPR002019 | Urease, beta subunit-like | Family |
| IPR050069 | Urease subunit | Family |
| IPR008223 | Urease, gamma-beta subunit | Family |
| IPR036461 | Urease, beta subunit superfamily | Homologous Superfamily |
| IPR002026 | Urease, gamma/gamma-beta subunit | Family |
| IPR036463 | Urease, gamma subunit superfamily | Homologous Superfamily |
| IPR029754 | Urease nickel binding site | Binding Site |
| IPR017950 | Urease active site | Active Site |
| IPR006680 | Amidohydrolase-related | Domain |
| IPR011059 | Metal-dependent hydrolase, composite domain superfamily | Homologous Superfamily |
| IPR032466 | Metal-dependent hydrolase | Homologous Superfamily |
| IPR011612 | Urease alpha-subunit, N-terminal domain | Domain |
| IPR050112 | Urease_alpha_subunit | Unknown |
| IPR005848 | Urease, alpha subunit | Family |
| IPR017951 | Urease alpha subunit, C-terminal | Domain |