Table 2. Primary antibodies used for IF staining and/or western-blotting.
| Primary antibody | Company |
|---|---|
| anti-BCAS2 | Abcam, Cambridge, UK (RRID:AB_1861326) |
| anti-CDC5L | BD Transduction Laboratories (RRID:AB_399724) |
| anti-coilin | Proteintech, Chicago, IL, US (RRID:AB_2276345) |
| anti-CSTF2 | Santa Cruz, US (RRID:AB_668179) |
| anti-CTNNBL1 | Abcam, Cambridge, UK (RRID:AB_1523420) |
| anti-DDX46 | Proteintech, Chicago, IL, US (RRID:AB_2090927) |
| anti-Fibrillarin | Cytoskeleton Inc, Denver, CO, US (RRID:AB_10709399) |
| anti-PRPF40A | Novus, Biologicals, Chambridge, UK (RRID:AB_11012473) |
| anti-PLRG1 | Abcam, Cambridge, UK (RRID:AB_2170868) |
| anti-PRP19 | Abcam, Cambridge, UK (RRID:AB_2170868) |
| anti-NEDD8 | Cell Signaling Technology, Danvers, MA, US (RRID:AB_659972) |
| anti-SF3B1 | Abcam, Cambridge, UK (RRID:AB_2186512) |
| anti-SF3B2 | Novus Biologicals, Abington, UK (RRID:AB_1110397) |
| anti-SFRS1 | Abcam, Cambridge, UK (RRID:AB_298608) |
| anti-SMN | ImmunoGlobe, Himmelstadt, Germany (RRID:AB_2687973) |
| anti-SNRPA1 | Abcam, Cambridge, UK (RRID:AB_11139816) |
| anti-snRNP200 | Abcam, Cambridge, UK (RRID:AB_10901078) |
| anti-SR proteins | Merck Group, Darmstadt, Germany (RRID:AB_10807429) |
| anti-SUMO1 | Cell Signaling Technology, Danvers, US (RRID:AB_10698887) |
| anti-SUMO2/3 | Cell Signaling Technology, Danvers, US (RRID:AB_2198425) |
| anti-TMG | Merck Group, Darmstadt, Germany (RRID:AB_2687977) |
| anti-U1A | Iain Mattaj (RRID:AB_2713922) |
| anti-U2AF65 | SIGMA, ST Louis, Missouri, US (RRID:AB_262122) |
| anti-Ubiquitin | Cell Signaling Technology, Danvers, US (RRID:AB_2180538) |
| anti-Y12 | Joan Steitz (RRID:AB_2692320) |