| PRPF8 | G. gallus | U5 snRNP | — | | 72 |
| SNRNP200 | G. gallus | | — | | 63 |
| MYH9 | G. gallus | | NMMHC | 226.5 | 44 |
| SF3B1 | G. gallus | 17S U2 snRNP | — | | 35 |
| PRPF6 | G. gallus | U5 snRNP | — | | 31 |
| EFTUD2 | G. gallus | U5 snRNP | — | 109.5 | 31 |
| SMARCA4 | G. gallus | | BRG1 | 183.4 | 30 |
| SMARCA4 | G. gallus | SMARC- chromatin-related | BAF190, BAF190A, BRG1, FLJ39786, MRD16 | 184.6 | 29 |
| SMARCA2 | G. gallus | | BRM | 178.1 | 27 |
| AQR | G. gallus | PRP19 related | — | | 25 |
| DHX15 | G. gallus | 17S U2 snRNP associated | — | 87.7 | 25 |
| CDC5L | G. gallus | PRP19 complex | — | | 24 |
| HNRNPM | G. gallus | | HNRPM | 76.0 | 24 |
| SF3B3 | G. gallus | 17S U2 snRNP | — | 56.4 | 23 |
| HSPA8 | G. gallus | PRP19 complex | HSC70 | 70.8 | 22 |
| SF3A1 | G. gallus | 17S U2 snRNP | — | 88.5 | 21 |
| DDX23 | G. gallus | U5 snRNP | MGC8416, PRPF28, U5-100K, U5-100KD, prp28 | 95.6 | 21 |
| DHX30 | G. gallus | | — | 137.7 | 20 |
| LRPPRC | G. gallus | | — | 24.9 | 19 |
| LMNB1 | G. gallus | | — | 66.5 | 18 |
| HSP90AB1 | G. gallus | | HSPCB | 83.4 | 18 |
| ARID1A | G. gallus | | — | | 18 |
| EIF4A3 | G. gallus | EJC/mRNP | DDX48, eIF4A-III | 46.8 | 18 |
| HNRNPK | G. gallus | | — | | 18 |
| HNRNPH1 | G. gallus | | HNRPH1 | 56.6 | 17 |
| MATR3 | G. gallus | | matrin-3 | 100.7 | 17 |
| SNW1 | G. gallus | PRP19 related | SKIIP | | 16 |
| DDX5 | G. gallus | | — | 66.7 | 16 |
| PLRG1 | G. gallus | PRP19 complex | — | | 15 |
| RBMX | G. gallus | | — | 41.5 | 15 |
| CDC40 | G. gallus | Second step factors | — | 65.8 | 15 |
| ACTB | G. gallus | | Bact | 41.7 | 15 |
| CRNKL1 | G. gallus | PRP19 related | — | | 15 |
| HSP90B1 | G. gallus | | hsp108 | 91.6 | 15 |
| XAB2 | G. gallus | PRP19 related | DKFZp762C1015, HCNP, HCRN, NTC90, SYF1 | 100.0 | 15 |
| THOC3 | G. gallus | | — | 42.3 | 14 |
| PNN | G. gallus | | — | | 14 |
| THOC2 | G. gallus | | — | | 14 |
| SF3A3 | G. gallus | 17S U2 snRNP | — | 58.9 | 14 |
| ARID1B | G. gallus | | — | | 13 |
| VIM | G. gallus | | — | 53.1 | 13 |
| PRPF3 | G. gallus | U4/U6 snRNP | — | 77.4 | 13 |
| PRPF19 | G. gallus | PRP19 complex | — | 55.1 | 13 |
| U2SURP | G. gallus | 17S U2 snRNP associated | — | | 12 |
| HNRNPH3 | G. gallus | | HNRPH3 | 36.7 | 12 |
| SYNE1 | G. gallus | | C6orf98 | | 12 |
| HNRNPA2B1 | G. gallus | | HNRPA2B1 | 37.0 | 12 |
| DPF2 | G. gallus | | REQ | 45.9 | 12 |
| PTBP1 | G. gallus | | — | 56.7 | 12 |
| PRPF4 | G. gallus | U4/U6 snRNP | — | | 12 |
| LOC770859 | G. gallus | | — | | 12 |
| LOC771596 | G. gallus | | — | | 12 |
| LOC777234 | G. gallus | | — | | 12 |
| SNRPD2 | G. gallus | Sm | SMD2, SNRPD1, Sm-D2 | 13.5 | 12 |
| DDX39B | G. gallus | other rna binding domain containing | BAT1, D6S81E, UAP56 | 49.0 | 12 |
| HNRNPA3 | G. gallus | hnRNP | HNRPA3 | 38.2 | 11 |
| SMARCA5 | G. gallus | | — | 53.9 | 11 |
| THOC1 | G. gallus | | — | | 11 |
| SMARCB1 | G. gallus | | MMP11 | 44.5 | 11 |
| HNRNPR | G. gallus | | HNRPR | 5.4 | 11 |
| DDX17 | G. gallus | | Cp68 | | 11 |
| HSP90AA1 | G. gallus | chaperonin/heat shock | FLJ31884, HSP86, HSP89A, HSP90A, HSP90N | 84.7 | 11 |
| SNRNP70 | G. gallus | U1 snRNP | RNPU1Z, RPU1, SNRP70, Snp1, U1-70K | 51.6 | 11 |
| ZNF326 | G. gallus | | — | 63.5 | 10 |
| SYNCRIP | G. gallus | | — | 49.7 | 10 |
| SNRPA1 | G. gallus | 17S U2 snRNP | — | 28.4 | 10 |
| HNRNPU | G. gallus | | HNRPU | 5.7 | 10 |
| NCL | G. gallus | | — | 75.6 | 10 |
| DDX1 | G. gallus | | — | 82.5 | 10 |
| SNRNP40 | G. gallus | U5 snRNP | WDR57 | 41.5 | 10 |
| ATAD3A | G. gallus | | ATAD3B | | 10 |
| TAF15 | G. gallus | | — | | 10 |
| STRBP | G. gallus | | — | 73.4 | 10 |
| PKD1 | G. gallus | | — | | 10 |
| SMU1 | G. gallus | Recruited at B complex | — | 57.5 | 10 |
| SMARCD2 | G. gallus | | — | | 10 |
| HNRNPC | G. gallus | hnRNP | C1, C2, HNRNP, HNRPC, MGC104306 | 33.7 | 10 |
| ILF3 | G. gallus | | CBTF, DRBF, DRBP76, MMP4, MPHOSPH4 | 95.3 | 10 |
| LOC425141 | G. gallus | | — | | 9 |
| SSRP1 | G. gallus | | CIIDBP | 80.0 | 9 |
| SNRPB | G. gallus | Sm | SNRB', SNRPB' | 24.6 | 9 |
| THRAP3 | G. gallus | Recruited at A complex | — | 71.7 | 9 |
| LOC425562 | G. gallus | | — | | 9 |
| LOC772110 | G. gallus | | — | | 9 |
| SLU7 | G. gallus | Second step factors | — | 65.4 | 8 |
| SNRPB2 | G. gallus | 17S U2 snRNP | — | | 8 |
| XRN2 | G. gallus | | — | 108.5 | 8 |
| DNAJC13 | G. gallus | | — | | 8 |
| RBM17 | G. gallus | 17S U2 snRNP associated | — | | 8 |
| COIL | G. gallus | | — | | 8 |
| TFIP11 | G. gallus | Recruited at B complex | — | 95.6 | 8 |
| ILF2 | G. gallus | | — | | 8 |
| IK | G. gallus | Recruited at B complex | — | 64.9 | 7 |
| CWC22 | G. gallus | Recruited at Bact complex | — | 108.7 | 7 |
| RBM15B | G. gallus | | — | | 7 |
| MAGOH | G. gallus | EJC/mRNP | — | 17.1 | 7 |
| SMARCE1 | G. gallus | | — | 46.7 | 7 |
| CCT8 | G. gallus | | — | 59.5 | 7 |
| LOC429509 | G. gallus | | — | | 7 |
| HNRNPA1 | G. gallus | hnRNP | HNRPA1, HNRPA1L3, MGC102835, hnRNP A1, hnRNP-A1 | 38.7 | 7 |
| HNRNPL | G. gallus | hnRNP | FLJ35509, HNRPL, P/OKcl.14, hnRNP-L | 64.1 | 7 |
| PCBP1 | G. gallus | hnRNP | HNRPE1, HNRPX, hnRNP-E1, hnRNP-X | 37.5 | 7 |
| KIF17 | G. gallus | | KIAA1405, KIF17B, KIF3X | 115.1 | 7 |
| RBM22 | G. gallus | PRP19 related | — | 46.8 | 6 |
| NUP210 | G. gallus | | — | | 6 |
| RBM5 | G. gallus | | — | 66.9 | 6 |
| HNRNPAB | G. gallus | hnRNP | HNRPAB | 31.9 | 6 |
| PRPF4B | G. gallus | | — | 25.6 | 6 |
| MACF1 | G. gallus | | — | | 6 |
| SRSF6 | G. gallus | | SFRS6 | 40.2 | 6 |
| SFSWAP | G. gallus | | SFRS8 | | 6 |
| RBM14 | G. gallus | | — | | 6 |
| SMARCD1 | G. gallus | | — | | 6 |
| THOC4 | G. gallus | | — | | 6 |
| SNRPA | G. gallus | U1 snRNP | Mud1, U1-A, U1A | 31.3 | 6 |
| NOP58 | G. gallus | | NOP5/NOP58 | | 5 |
| HSPA2 | G. gallus | | HSP70 | 69.8 | 5 |
| SRSF5A | G. gallus | | — | 19.2 | 5 |
| SF3B14 | G. gallus | 17S U2 snRNP | — | | 5 |
| RAN | G. gallus | | RANP1 | 24.4 | 5 |
| SNRPE | G. gallus | Sm | — | 10.8 | 5 |
| SF3A2 | G. gallus | 17S U2 snRNP | SAP62, SF3a66 | 35.1 | 5 |
| DDX42 | G. gallus | | — | 103.1 | 5 |
| C20H20orf4 | G. gallus | | C20orf4 | 42.7 | 5 |
| WBP4 | G. gallus | Recruited at B complex | — | 45.5 | 5 |
| DDX3X | G. gallus | | — | 72.0 | 5 |
| EWSR1 | G. gallus | | — | 73.8 | 5 |
| THOC5 | G. gallus | | — | 80.6 | 5 |
| SRSF7 | G. gallus | | SFRS7 | 26.0 | 5 |
| SKIV2L2 | G. gallus | | — | 116.0 | 5 |
| NONO | G. gallus | | — | 54.1 | 5 |
| PRPF38A | G. gallus | Recruited at B complex | — | | 5 |
| PRPF31 | G. gallus | U4/U6 snRNP | DKFZp566J153, NY-BR-99, PRP31, RP11 | 55.5 | 5 |
| SND1 | G. gallus | | TDRD11, p100 | 102.0 | 5 |
| BRD8 | G. gallus | | — | 101.2 | 4 |
| FAM120A | G. gallus | | — | | 4 |
| SIP1 | G. gallus | | — | 30.2 | 4 |
| FIP1L1 | G. gallus | | — | 31.2 | 4 |
| ISY1 | G. gallus | PRP19 related | — | | 4 |
| NPM1 | G. gallus | | NO38 | 32.6 | 4 |
| ELAVL1 | G. gallus | | HUA | 36.1 | 4 |
| TRA2B | G. gallus | | SFRS10 | 33.8 | 4 |
| NUP153 | G. gallus | | — | | 4 |
| TRA2A | G. gallus | | — | 32.4 | 4 |
| IGF2BP3 | G. gallus | | — | 64.4 | 4 |
| SYF2 | G. gallus | Recruited at C complex | CBPIN, GCIPIP | | 4 |
| DHX35 | G. gallus | Recruited at C complex | — | | 4 |
| SNRPF | G. gallus | Sm | — | | 4 |
| C19H17orf85 | G. gallus | | C17orf85, HSA277841 | 68.7 | 4 |
| HNRNPD | G. gallus | hnRNP | AUF1, AUF1A, HNRPD, P37, hnRNPD0 | 38.4 | 4 |
| SNRPD3 | G. gallus | Sm | — | 13.9 | 4 |
| CPSF4 | G. gallus | | — | | 4 |
| HNRNPA0 | G. gallus | | HNRPA0 | | 4 |
| PPIE | G. gallus | PRP19 related | — | 33.3 | 4 |
| CWC27 | G. gallus | Recruited at Bact complex | SDCCAG10 | | 4 |
| PPWD1 | G. gallus | Recruited at C complex | — | | 4 |
| BCAS2 | G. gallus | PRP19 complex | — | | 4 |
| SRSF1 | G. gallus | | SFRS1 | 28.1 | 4 |
| SNRPD1 | G. gallus | Sm | — | | 4 |
| RBM8A | G. gallus | EJC/mRNP | BOV-1A, BOV-1B, BOV-1C, C1DELq21.1, DEL1q21.1 | 19.9 | 4 |
| USP39 | G. gallus | tri-snRNP | 65K, CGI-21, FLJ33136, HSPC332, MGC75069 | 65.4 | 4 |
| PRPF39 | G. gallus | misc. proteins found irregularly with spliceosomes | FLJ11128, FLJ20666, FLJ45460, MGC149842, MGC149843 | 78.4 | 4 |
| NCBP2 | G. gallus | | — | | 3 |
| SMNDC1 | G. gallus | 17S U2 snRNP associated | — | | 3 |
| ERH | G. gallus | | — | 12.2 | 3 |
| LSM6 | G. gallus | LSm | — | | 3 |
| CSTF3 | G. gallus | | — | 83.1 | 3 |
| CBX3 | G. gallus | | — | 19.8 | 3 |
| MIOS | G. gallus | | — | | 3 |
| CHERP | G. gallus | 17S U2 snRNP associated | — | 44.7 | 3 |
| LSM4 | G. gallus | LSm | — | | 3 |
| UPF1 | G. gallus | | RENT1 | | 3 |
| PRPF40A | G. gallus | Recruited at A complex | FNBP3 | 97.0 | 3 |
| SRSF3 | G. gallus | | SFRS3 | 19.3 | 3 |
| RBM7 | G. gallus | | — | 31.3 | 3 |
| SRSF10 | G. gallus | | FUSIP1, SFRS13A | 31.3 | 3 |
| RAE1 | G. gallus | | — | 27.5 | 3 |
| DDX27 | G. gallus | | — | 85.7 | 3 |
| GCFC1 | G. gallus | | C21orf66 | | 3 |
| LUC7L2 | G. gallus | | — | 47.2 | 3 |
| NAA38 | G. gallus | LSm | LSM8 | | 3 |
| SF3B4 | G. gallus | 17S U2 snRNP | — | | 3 |
| SAFB2 | G. gallus | | — | | 3 |
| NCBP1 | G. gallus | | — | 92.6 | 3 |
| DDX41 | G. gallus | Recruited at C complex | — | | 3 |
| FAM136A | G. gallus | Sm | SNRPG | | 3 |
| DHX9 | G. gallus | misc. proteins found irregularly with spliceosomes | DDX9, FLJ17406, LKP, NDH2, NDHII | 141.0 | 3 |
| LSM2 | G. gallus | LSm | C6orf28, G7B, YBL026W, snRNP | 10.8 | 3 |
| RNPC3 | G. gallus | | — | | 2 |
| DDX18 | G. gallus | | — | | 2 |
| CPSF2 | G. gallus | | — | 88.7 | 2 |
| MED12 | G. gallus | | — | | 2 |
| CPSF3 | G. gallus | | — | | 2 |
| U2AF1 | G. gallus | 17S U2 snRNP associated | — | 27.7 | 2 |
| SNRNP48 | G. gallus | | C6orf151 | | 2 |
| TXNL4A | G. gallus | U5 snRNP | — | | 2 |
| TIAL1 | G. gallus | | TIA1, TIAR | 43.0 | 2 |
| PPIH | G. gallus | U4/U6 snRNP | — | | 2 |
| NHP2L1 | G. gallus | U4/U6 snRNP | — | | 2 |
| PPP1CC | G. gallus | | — | 37.0 | 2 |
| PPIL2 | G. gallus | Recruited at Bact complex | — | 58.8 | 2 |
| BUD31 | G. gallus | PRP19 related | C77604 | | 2 |
| CIRBP | G. gallus | | APBP-1 | 21.0 | 2 |
| ZFR | G. gallus | | — | | 2 |
| DDX50 | G. gallus | | DDX21 | | 2 |
| SF3B5 | G. gallus | 17S U2 snRNP | — | | 2 |
| PRMT1 | G. gallus | | ANM1, HCP1, HRMT1L2, IR1B4 | 41.5 | 2 |
| SART1 | G. gallus | tri-snRNP | Ara1, HOMS1, MGC2038, SART1259, SNRNP110 | 90.3 | 2 |
| U2AF2 | G. gallus | 17S U2 snRNP associated | U2AF65 | 53.5 | 2 |
| PPIL1 | G. gallus | PRP19 related | CGI-124, CYPL1, MGC678, PPIase, hCyPX | 18.2 | 2 |