| Swiss-Prot top hits (Blast detail) | Score | e value |
| Q9FMU5 U3 small nucleolar RNA-associated protein 18 homolog | 746 | 1e-078 |
| Q5SSI6 U3 small nucleolar RNA-associated protein 18 homolog | 228 | 2e-018 |
| P40362 U3 small nucleolar RNA-associated protein 18 | 228 | 2e-018 |
| Q9Y5J1 U3 small nucleolar RNA-associated protein 18 homolog | 227 | 2e-018 |
| P78750 Probable U3 small nucleolar RNA-associated protein 18 | 218 | 2e-017 |