| SRRT | H. sapiens | pre-mRNA/mRNA binding proteins | ARS2, ASR2, MGC126427, serrate | 100.7 | 12 |
| EIF4A3 | H. sapiens | EJC/mRNP | DDX48, DKFZp686O16189, KIAA0111, MGC10862, NMP265 | 46.9 | 10 |
| PRPF8 | H. sapiens | U5 snRNP | HPRP8, PRP8, PRPC8, RP13 | 273.6 | 8 |
| EFTUD2 | H. sapiens | U5 snRNP | DKFZp686E24196, FLJ44695, KIAA0031, MFDM, Snrp116 | 109.4 | 7 |
| SNRNP200 | H. sapiens | U5 snRNP | ASCC3L1, BRR2, FLJ11521, HELIC2, RP33 | 244.5 | 7 |
| ACIN1 | H. sapiens | EJC/mRNP | ACINUS, ACN, DKFZp667N107, KIAA0670, fSAP152 | 151.9 | 7 |
| HNRNPA1 | H. sapiens | hnRNP | HNRPA1, HNRPA1L3, MGC102835, hnRNP A1, hnRNP-A1 | 38.7 | 6 |
| HNRNPC | H. sapiens | hnRNP | C1, C2, HNRNP, HNRPC, MGC104306 | 33.7 | 6 |
| PNN | H. sapiens | EJC/mRNP | DRS, DRSP, SDK3, memA | 81.6 | 6 |
| THRAP3 | H. sapiens | Recruited at A complex | FLJ22082, MGC133082, MGC133083, TRAP150 | 108.7 | 5 |
| ILF3 | H. sapiens | | CBTF, DRBF, DRBP76, MMP4, MPHOSPH4 | 95.3 | 5 |
| ZC3H18 | H. sapiens | other rna binding domain containing | FLJ22664, FLJ34530, FLJ36075, NHN1 | 106.4 | 4 |
| PRPF31 | H. sapiens | U4/U6 snRNP | DKFZp566J153, NY-BR-99, PRP31, RP11 | 55.5 | 4 |
| HNRNPL | H. sapiens | hnRNP | FLJ35509, HNRPL, P/OKcl.14, hnRNP-L | 64.1 | 4 |
| SRSF7 | H. sapiens | SR protein | 9G8, AAG3, SFRS7 | 27.4 | 4 |
| NCBP1 | H. sapiens | pre-mRNA/mRNA binding proteins | CBP80, MGC2087, NCBP, Sto1 | 91.8 | 4 |
| SRSF9 | H. sapiens | SR protein | SFRS9, SRp30c | 25.5 | 4 |
| ILF2 | H. sapiens | | MGC8391, NF45, PRO3063 | 43.1 | 3 |
| SNRPD2 | H. sapiens | Sm | SMD2, SNRPD1, Sm-D2 | 13.5 | 3 |
| THOC5 | H. sapiens | TREX | C22orf19, Fmip, PK1.3, fSAP79 | 78.5 | 3 |
| ALYREF | H. sapiens | EJC/mRNP | ALY, ALY/REF, BEF, REF, THOC4 | 26.9 | 3 |
| HNRNPA2B1 | H. sapiens | hnRNP | DKFZp779B0244, FLJ22720, HNRNPA2, HNRNPB1, HNRPA2 | 37.4 | 3 |
| SRSF1 | H. sapiens | SR protein | ASF, FLJ53078, MGC5228, SF2, SF2p33 | 27.7 | 3 |
| C17orf85 | H. sapiens | | ELG, FLJ32162, HSA277841 | 70.6 | 3 |
| THOC1 | H. sapiens | TREX | HPR1, P84, P84N5 | 75.7 | 3 |
| HNRNPR | H. sapiens | hnRNP | FLJ25714, HNRPR, hnRNP R, hnRNP-R | 70.9 | 3 |
| ITPRIP | H. sapiens | | DANGER, KIAA1754, RP11-127L20.4, bA127L20, bA127L20.2 | 62.1 | 3 |
| TRA2B | H. sapiens | SR protein | DKFZp686F18120, Htra2-beta, SFRS10, SRFS10, TRA2-BETA | 33.7 | 3 |
| BCLAF1 | H. sapiens | | BTF, KIAA0164, bK211L9.1 | 106.1 | 2 |
| SRSF6 | H. sapiens | SR protein | B52, FLJ08061, MGC5045, SFRS6, SRP55 | 39.6 | 2 |
| DDX39A | H. sapiens | other rna binding domain containing | BAT1, BAT1L, DDX39, DDXL, MGC18203 | 49.1 | 2 |
| DDX3X | H. sapiens | pre-mRNA/mRNA binding proteins | DBX, DDX14, DDX3, HLP2 | 73.2 | 2 |
| SF3A1 | H. sapiens | 17S U2 snRNP | PRP21, PRPF21, SAP114, SF3A120 | 88.9 | 2 |
| RNPS1 | H. sapiens | EJC/mRNP | E5.1, MGC117332 | 34.2 | 2 |
| PRPF4 | H. sapiens | U4/U6 snRNP | HPRP4, HPRP4P, PRP4, Prp4p | 58.4 | 2 |
| SF3B1 | H. sapiens | 17S U2 snRNP | Hsh155, MDS, PRP10, PRPF10, SAP155 | 145.8 | 2 |
| DHX9 | H. sapiens | misc. proteins found irregularly with spliceosomes | DDX9, FLJ17406, LKP, NDH2, NDHII | 141.0 | 2 |
| MAGOH | H. sapiens | EJC/mRNP | MAGOH1, MAGOHA | 17.2 | 2 |
| SNRNP40 | H. sapiens | U5 snRNP | 40K, FLJ41108, HPRP8BP, MGC1910, PRP8BP | 39.3 | 2 |
| RBM8A | H. sapiens | EJC/mRNP | BOV-1A, BOV-1B, BOV-1C, C1DELq21.1, DEL1q21.1 | 19.9 | 2 |
| SNRNP70 | H. sapiens | U1 snRNP | RNPU1Z, RPU1, SNRP70, Snp1, U1-70K | 51.6 | 2 |
| DDX23 | H. sapiens | U5 snRNP | MGC8416, PRPF28, U5-100K, U5-100KD, prp28 | 95.6 | 2 |
| PRPF6 | H. sapiens | U5 snRNP | ANT-1, ANT1, C20orf14, Prp6, TOM | 106.9 | 1 |
| THOC2 | H. sapiens | TREX | CXorf3, THO2, dJ506G2.1, hTREX120 | 182.8 | 1 |
| SYNCRIP | H. sapiens | hnRNP | FLJ31626, GRY-RBP, GRYRBP, HNRPQ1, NSAP1 | 69.6 | 1 |
| YBX1 | H. sapiens | pre-mRNA/mRNA binding proteins | BP-8, CSDA2, CSDB, DBPB, MDR-NF1 | 35.9 | 1 |
| THOC3 | H. sapiens | TREX | MGC5469, TEX1 | 38.8 | 1 |
| NCBP2 | H. sapiens | pre-mRNA/mRNA binding proteins | CBC2, CBP20, NIP1, PIG55 | 18.0 | 1 |
| SNRPD3 | H. sapiens | Sm | SMD3, Sm-D3 | 13.9 | 1 |
| THOC7 | H. sapiens | TREX | FLJ23445, NIF3L1BP1, fSAP24 | 23.7 | 1 |
| HNRNPU | H. sapiens | hnRNP | HNRPU, SAF-A, U21.1, hnRNP U | 90.6 | 1 |
| Hsp90ab1 | H. sapiens | | 90kDa, AL022974, C81438, Hsp84, Hsp84-1 | 83.3 | 1 |
| SRSF3 | H. sapiens | SR protein | SFRS3, SRp20 | 19.3 | 1 |
| DDX5 | H. sapiens | pre-mRNA/mRNA binding proteins | DKFZp434E109, DKFZp686J01190, G17P1, HLR1, HUMP68 | 69.1 | 1 |
| SF3B3 | H. sapiens | 17S U2 snRNP | KIAA0017, RSE1, SAP130, SF3b130, STAF130 | 135.6 | 1 |
| EIF3H | H. sapiens | translation-related | EIF3S3, MGC102958, eIF3-gamma, eIF3-p40 | 39.9 | 1 |
| EIF2C1 | H. sapiens | translation-related | AGO1, DKFZp686M13167, EIF2C, GERP95, Q99 | 97.2 | 1 |
