Table S3.
Prp8- and Brr2-associated proteins identified in Col, atprmt5, and atprmt5 prp8-8 (m90) and prp8-8 by MS
| AGI | Protein | Prp8 IP-MS | Brr2 IP-MS | ||||
| atprmt5/Col | m90/Col | prp8-8/Col | atprmt5/Col | m90/Col | prp8-8/Col | ||
| Prp19C/NTC core proteins | |||||||
| At1g04510 | MAC3A | 0.70 | 1.05 | 1.39 | 0.51 | 0.91 | 1.34 |
| At2g33340 | MAC3B | 0.62 | 1.01 | 1.61 | 0.45 | 0.95 | 1.39 |
| At3g18165 | MOS4 | 0.72 | 0.98 | 0.97 | 0.57 | 1.02 | 1.75 |
| At1g09770 | AtCDC5 | 0.66 | 0.98 | 1.33 | 0.48 | 1.06 | 1.88 |
| At4g15900 | AtPRL1 | 0.56 | 0.98 | 1.20 | 0.71 | 1.24 | 1.49 |
| Prp19C/NTC-associated proteins | |||||||
| At5g28740 | AtSyf1 | 0.68 | 0.99 | 1.32 | 0.42 | 0.90 | 1.86 |
| At2g38770 | AtAQR | 0.79 | 1.05 | 1.47 | 0.61 | 0.97 | 1.76 |
| At5g41770 | Syf3/AtCRN1c | 0.64 | 1.03 | 1.55 | 0.55 | 0.99 | 1.41 |
| At1g77180 | AtSKIP | 0.74 | 1.07 | 1.20 | 0.67 | 1.02 | 1.41 |
| At1g07360 | AtECM2 | 0.66 | 1.03 | 1.18 | 0.51 | 1.17 | 1.61 |
| At3g18790 | AtISY1 | 0.62 | 0.84 | 1.15 | 0.54 | 0.90 | 0.97 |
| At2g36130 | AtPPI | 0.65 | 1.01 | 1.01 | 0.84 | 1.47 | 1.58 |
| Splicing factors in the first and second catalytic steps | |||||||
| At1g32490 | AtPrp2 | 0.50 | 0.84 | 1.82 | 0.23 | 0.79 | 2.81 |
| At3g49601 | AtCwf21 | 0.62 | 1.00 | 0.58 | 0.47 | 1.41 | 1.22 |
| At1g80930 | AtCWC22 | 0.63 | 0.94 | 1.26 | 0.79 | 1.34 | 2.06 |
| At1g10580 | AtPrp17 | 0.63 | 0.97 | 1.03 | 0.47 | 1.01 | 2.00 |