| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P32786 | RNA polymerase I-specific transcription initiation factor RRN6; | RRN6; YBL014C; | NP_009539.2; | 894 | yeast |
| P40992 | RNA polymerase I-specific transcription initiation factor RRN7; | RRN7; YJL025W; | NP_012509.1; | 514 | yeast |
| P53437 | RNA polymerase I-specific transcription initiation factor RRN9; | RRN9; YMR270C; | NP_013997.1; | 365 | yeast |
| Q12754 | Ribosomal RNA-processing protein 12; | RRP12; YPL012W; | NP_015313.1; | 1228 | yeast |
| P36080 | Ribosomal RNA-processing protein 14; Ribosome biogenesis protein RRP14; | RRP14; YKL082C; | NP_012841.1; | 434 | yeast |
| Q06511 | Ribosomal RNA-processing protein 15; | RRP15; YPR143W; | NP_015469.1; | 250 | yeast |
| Q04031 | Ribosomal RNA-processing protein 17; | RRP17; YDR412W; | NP_010700.3; | 235 | yeast |
| P35178 | Ribosomal RNA-processing protein 1; | RRP1; YDR087C; | NP_010372.3; | 278 | yeast |
| Q12481 | rRNA biogenesis protein RRP36; Ribosomal RNA-processing protein 36; | RRP36; YOR287C; | NP_014930.1; | 300 | yeast |
| P38712 | ATP-dependent rRNA helicase RRP3; EC 3.6.4.-; Ribosomal RNA-processing protein 3; | RRP3; YHR065C; | NP_011932.2; | 501 | yeast |
| Q08285 | Exosome complex component RRP40; Ribosomal RNA-processing protein 40; | RRP40; YOL142W; | NP_014499.2; | 240 | yeast |
| P46948 | Exosome complex component SKI6; Extracellular mutant protein 20; Ribosomal RNA-processing protein 41; Superkiller protein 6; | SKI6; ECM20 RRP41; YGR195W; | NP_011711.3; | 246 | yeast |
| Q12277 | Exosome complex component RRP42; Ribosomal RNA-processing protein 42; | RRP42; YDL111C; | NP_010172.1; | 265 | yeast |
| P25359 | Exosome complex component RRP43; Ribosomal RNA-processing protein 43; | RRP43; YCR035C; | NP_009964.2; | 394 | yeast |
| Q08162 | Exosome complex exonuclease DIS3; EC 3.1.13.-; EC 3.1.26.-; Chromosome disjunction protein 3; Ribosomal RNA-processing protein 44; | DIS3; RRP44; YOL021C; | NP_014621.1; | 1001 | yeast |
| Q05636 | Exosome complex component RRP45; Ribosomal RNA-processing protein 45; | RRP45; YDR280W; | NP_010566.1; | 305 | yeast |
| P53256 | Exosome complex component RRP46; Ribosomal RNA-processing protein 46; | RRP46; YGR095C; | NP_011609.2; | 223 | yeast |
| P38792 | Exosome complex component RRP4; Ribosomal RNA-processing protein 4; | RRP4; YHR069C; | NP_011936.1; | 359 | yeast |
| Q05022 | rRNA biogenesis protein RRP5; Ribosomal RNA-processing protein 5; U3 small nucleolar RNA-associated protein RRP5; U3 snoRNA-associated protein RRP5; | RRP5; FMI1; YMR229C; | NP_013956.1; | 1729 | yeast |
| Q12149 | Exosome complex exonuclease RRP6; EC 3.1.13.-; Ribosomal RNA-processing protein 6; | RRP6; UNC733; YOR001W; | NP_014643.1; | 733 | yeast |
