| RBM25 | H. sapiens | Recruited at A complex | MGC105088, MGC117168, NET52, RED120, RNPC7 | 100.2 | 3 |
| FUBP1 | H. sapiens | alternative splicing factor | FBP, FUBP | 67.6 | 3 |
| SNW1 | H. sapiens | PRP19 related | Bx42, MGC119379, NCOA-62, PRPF45, Prp45 | 61.5 | 2 |
| CDC5L | H. sapiens | PRP19 complex | CDC5, CDC5-LIKE, CEF1, KIAA0432, PCDC5RP | 92.3 | 2 |
| SF3B2 | H. sapiens | 17S U2 snRNP | Cus1, SAP145, SF3B145, SF3b1, SF3b150 | 100.2 | 2 |
| SF3B4 | H. sapiens | 17S U2 snRNP | AFD1, Hsh49, MGC10828, SAP49, SF3b49 | 44.4 | 2 |
| PRPF40A | H. sapiens | Recruited at A complex | FBP-11, FBP11, FLAF1, FLJ20585, FNBP3 | 108.8 | 2 |
| HNRNPM | H. sapiens | hnRNP | CEAR, DKFZp547H118, HNRNPM4, HNRPM, HNRPM4 | 77.5 | 1 |
| PPIL1 | H. sapiens | PRP19 related | CGI-124, CYPL1, MGC678, PPIase, hCyPX | 18.2 | 1 |
| EFTUD2 | H. sapiens | U5 snRNP | DKFZp686E24196, FLJ44695, KIAA0031, MFDM, Snrp116 | 109.4 | 1 |
| SRRM2 | H. sapiens | SR related | 300-KD, CWF21, Cwc21, DKFZp667L0421, DKFZp686O15166 | 299.6 | 1 |
