| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q17R09 | Pre-mRNA-splicing factor ATP-dependent RNA helicase PRP16; EC 3.6.4.13; ATP-dependent RNA helicase DHX38; DEAH box protein 38; | DHX38; PRP16; | NP_001069266.1; | 1227 | cow |
| Q2HJ41 | Pre-mRNA-splicing factor 18; PRP18 homolog; | PRPF18; | NP_001068791.1; | 342 | cow |
| Q08E38 | Pre-mRNA-processing factor 19; EC 6.3.2.-; PRP19/PSO4 homolog; | PRPF19; | NP_001069108.1; | 504 | cow |
| Q08DZ2 | Serine/threonine-protein kinase PRP4 homolog; EC 2.7.11.1; PRP4 pre-mRNA-processing factor 4 homolog; | PRPF4B; | NP_001069025.1; | 1008 | cow |
| Q3MHE2 | U4/U6 small nuclear ribonucleoprotein Prp4; U4/U6 snRNP 60 kDa protein; WD splicing factor Prp4; | PRPF4; | NP_001029502.1; | 521 | cow |
| Q2KJJ0 | Pre-mRNA-processing factor 6; PRP6 homolog; U5 snRNP-associated 102 kDa protein; U5-102 kDa protein; | PRPF6; | NP_001039840.1; | 941 | cow |
| Q2KIA6 | U4/U6 small nuclear ribonucleoprotein Prp3; Pre-mRNA-splicing factor 3; | PRPF3; | NP_001039516.1; | 683 | cow |
| P17810 | Peripherin-2; Retinal degeneration slow protein; | PRPH2; RDS; | NP_001159959.1; | 345 | cow |
| Q2HJ58 | Ribose-phosphate pyrophosphokinase 1; EC 2.7.6.1; Phosphoribosyl pyrophosphate synthase I; PRS-I; | PRPS1; | NP_001039654.1; | 318 | cow |
| Q0VBZ8 | Proline-rich protein 14; | PRR14; | NP_001030473.1; | 587 | cow |
| Q0P5M0 | Proline-rich protein 19; | PRR19; | NP_001069103.1;XP_005219303.1;XP_005219304.1;XP_005219305.1;XP_005219306.1;XP_005219307.1;XP_005219308.1; | 363 | cow |
| A5PJK7 | Proline-rich protein 32; | PRR32; | NP_001092658.1; | 295 | cow |
| Q5E9R0 | Proline-rich protein 5-like; Protein observed with Rictor-2; Protor-2; | PRR5L; PROTOR2; | NP_001015519.1; | 368 | cow |
| A6QNZ4 | Proline-rich protein 9; | PRR9; | XP_002686070.2;XP_002703896.3; | 116 | cow |
| P81264 | Prolactin-releasing peptide; PrRP; Prolactin-releasing hormone; [Cleaved into: Prolactin-releasing peptide PrRP31; Prolactin-releasing peptide PrRP20]; | PRLH; PRH; | NP_777215.1; | 98 | cow |
| Q2KIW6 | 26S protease regulatory subunit 10B; 26S proteasome AAA-ATPase subunit RPT4; Proteasome 26S subunit ATPase 6; | PSMC6; | NP_001039705.1; | 389 | cow |
| Q1LZE9 | Serine protease 23; EC 3.4.21.-; | PRSS23; | NP_001073775.1;XP_005226732.1; | 375 | cow |
| Q5E9X7 | Inactive serine protease 35; | PRSS35; | NP_001030534.3;XP_005210754.1;XP_005210755.1;XP_005210756.1; | 412 | cow |
| Q32KU2 | Probable inactive serine protease 37; Probable inactive trypsin-X2; | PRSS37; TRYX2; | NP_001035659.1;XP_005205926.1; | 235 | cow |
| A2VE36 | Serine protease 45; EC 3.4.21.-; Testis serine protease 5; | PRSS45; TESSP5; | NP_001075924.1; | 316 | cow |
