| Gene Name | Gene Symbol | Species | Contents | |||
| 1 | RNA, U5D small nuclear 1 | RNU5D-1 | Homo sapiens | |||
| 2 | RNA, U4 small nuclear 1 | RNU4-1 | Homo sapiens | |||
| 3 | RNA, U11 small nuclear | RNU11 | Homo sapiens | |||
| 4 | RNA, U5B small nuclear 1 | RNU5B-1 | Homo sapiens | |||
| 5 | RNA, U4 small nuclear 2 | RNU4-2 | Homo sapiens | |||
| 6 | RNA, U12 small nuclear | RNU12 | Homo sapiens | |||
| 7 | RNA, U5E small nuclear 1 | RNU5E-1 | Homo sapiens | |||
| 8 | RNA, U5A small nuclear 1 | RNU5A-1 | Homo sapiens | |||