| S.NO | Uniprot ID | Protein Name | Sequence Length | S1 motif Repeated Region | Function |
| 1 | Q14690 | Protein RRP5 homolog | 1871 | "Essential for the generation of mature 18S rRNA, specifically necessary for cleavages at sites A0, 1 and 2 of the 47S precursor. Directly interacts with U3 snoRNA. ; Involved in the biogenesis of rRNA". |