| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P15938 | Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP16; EC 3.6.4.13; | PRP16; YKR086W; | NP_013012.3; | 1071 | yeast |
| P40968 | Pre-mRNA-processing factor 17; Cell division control protein 40; | CDC40; PRP17 SLU4 XRS2; YDR364C; | NP_010652.3; | 455 | yeast |
| P33411 | Pre-mRNA-splicing factor 18; | PRP18; YGR006W; | NP_011520.2; | 251 | yeast |
| P32523 | Pre-mRNA-processing factor 19; EC 6.3.2.-; | PRP19; PSO4; YLL036C; | NP_013064.1; | 503 | yeast |
| P32524 | Pre-mRNA-splicing factor PRP21; | PRP21; SPP91; YJL203W; | NP_012332.1; | 280 | yeast |
| P24384 | Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP22; EC 3.6.4.13; | PRP22; YER013W; | NP_010929.3; | 1145 | yeast |
| P49960 | U4/U6 snRNA-associated-splicing factor PRP24; U4/U6 snRNP protein; | PRP24; YMR268C; | NP_013995.1; | 444 | yeast |
| P23394 | Pre-mRNA-splicing ATP-dependent RNA helicase PRP28; EC 3.6.4.13; Helicase CA8; | PRP28; YDR243C; | NP_010529.3; | 588 | yeast |
| P20095 | Pre-mRNA-splicing factor ATP-dependent RNA helicase-like protein PRP2; EC 3.6.4.13; Pre-mRNA-processing protein 2; | PRP2; RNA2; YNR011C; | NP_014408.1; | 876 | yeast |
| P49704 | Pre-mRNA-processing factor 31; | PRP31; YGR091W; | NP_011605.1; | 494 | yeast |
| Q00723 | Pre-mRNA-splicing factor 38; Pre-mRNA-processing factor 38; | PRP38; YGR075C; | NP_011589.3; | 242 | yeast |
| P39682 | Pre-mRNA-processing factor 39; | PRP39; YML046W; | NP_013667.1; | 629 | yeast |
| Q03338 | U4/U6 small nuclear ribonucleoprotein PRP3; Pre-mRNA-splicing factor 3; | PRP3; RNA3; YDR473C; | NP_010761.3; | 469 | yeast |
| P33203 | Pre-mRNA-processing protein PRP40; | PRP40; YKL012W; | NP_012913.3; | 583 | yeast |
| Q03776 | U1 small nuclear ribonucleoprotein component PRP42; U1 snRNP protein PRP42; 65 kDa snRNP protein; Pre-mRNA-processing factor 42; | PRP42; MUD16 SNU65; YDR235W; | NP_010521.1; | 544 | yeast |
| P53131 | Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP43; EC 3.6.4.13; Helicase JA1; | PRP43; YGL120C; | NP_011395.1; | 767 | yeast |
| P28004 | Pre-mRNA-processing protein 45; | PRP45; FUN20; YAL032C; | NP_009370.1; | 379 | yeast |
| Q12417 | Pre-mRNA-splicing factor PRP46; Complexed with CEF1 protein 1; PRP nineteen-associated complex protein 50; PRP19-associated complex protein 50; Pre-mRNA-processing protein 46; | PRP46; CWC1 NTC50; YPL151C; | NP_015174.1; | 451 | yeast |
| P20053 | U4/U6 small nuclear ribonucleoprotein PRP4; Pre-mRNA-processing protein 4; | PRP4; RNA4; YPR178W; | NP_015504.1; | 465 | yeast |
| P21372 | Pre-mRNA-processing ATP-dependent RNA helicase PRP5; EC 3.6.4.13; | PRP5; RNA5; YBR237W; | NP_009796.1; | 849 | yeast |
