| C complex released in 1M NaCl, H. sapiens, (Bessonov et al 2008) | H. sapiens | 11 | 18322460 |
| E complex IP'd by antibody to U1A, H. sapiens, (Marakov et al 2011) | H. sapiens | 4 | 22110043 |
| B complex sample 2, H. sapiens, (Bessonov et al 2008) | H. sapiens | 2 | 18322460 |
| B complex on PM5, sample 2, H. sapiens, (Schmidt et al 2014) | H. sapiens | ■ | 24448447 |
| C complex on PM5, sample 1, H. sapiens, (Schmidt et al 2014) | H. sapiens | ■ | 24448447 |
| C complex on PM5, sample 2, H. sapiens, (Schmidt et al 2014) | H. sapiens | ■ | 24448447 |