Table S1.
Transcription parameters for all conditions
| Template | Residence times (s) | Pause-free velocity (bp/s) | Pause density (pauses/kbp) | Pause duration (s) | Passage probability (%) |
| Bare DNA | 10.3 ± 1.4 (10.2) | 24.7 ± 4.1 (23.3) | 4.6 ± 2.8 (5.0) | 2.0 ± 0.7 (1.8) | 100.0 |
| 1×Nucl | 63.5 ± 15.5 (48.0) | 16.5 ± 2.5 (15.6) | 24.6 ± 5.8 (20.0) | 12.0 ± 3.2 (9.1) | 92.0 |
| 2×Nucl (99) | 69.8 ± 16.5 (64.2) | 16.3 ± 1.9 (15.6) | 23.4 ± 5.1 (20.0) | 12.0 ± 3.7 (10.9) | 92.3 |
| 2×Nucl (50) | 118.9 ± 23.0 (145.0) | 12.3 ± 1.8 (11.2) | 38.6 ± 8.3 (41.3) | 37.9 ± 19.2 (23.0) | 27.8 |
| 2×Nucl (45) | 83.3 ± 15.1 (83.9) | 15.6 ± 1.8 (14.6) | 28.4 ± 5.2 (25.0) | 15.9 ± 4.0 (13.9) | 78.9 |
*
All quantities are reported as mean ± SEM The median is given in parentheses.