Summary of enzyme inhibition assays from Fig. 1
| Enzyme . | IC50 GTP (µM) best-fit . | IC50 GTP (µM) 90% confidence interval . | Hill best-fit . | Hill 90% confidence interval . |
|---|---|---|---|---|
| IMPDH1(595)-WT | 1,150 | 1,040–1,230 | 2.3 | 2.2–3.0 |
| IMPDH1(595)-S477D | 603 | 590–631 | 3.7 | 3.5–4.5 |
| IMPDH1(595)-Y12A | 473 | 462–492 | 4.5 | 4.2–5.5 |
| IMPDH1(595)-Y12A-S477D | 464 | 458–486 | 4.1 | 3.9–5.0 |
| IMPDH1(546)-WT | 757 | 725–792 | 4.6 | 3.9–5.7 |
| IMPDH1(546)-S477D | 486 | 452–524 | 3.7 | 3.0–4.9 |
| IMPDH1(546)-Y12A | 538 | 505–575 | 4.0 | 3.3–5.3 |
| IMPDH1(546)-Y12A-S477D | 458 | 450–480 | 4.2 | 4.0–5.1 |
| Enzyme . | IC50 GTP (µM) best-fit . | IC50 GTP (µM) 90% confidence interval . | Hill best-fit . | Hill 90% confidence interval . |
|---|---|---|---|---|
| IMPDH1(595)-WT | 1,150 | 1,040–1,230 | 2.3 | 2.2–3.0 |
| IMPDH1(595)-S477D | 603 | 590–631 | 3.7 | 3.5–4.5 |
| IMPDH1(595)-Y12A | 473 | 462–492 | 4.5 | 4.2–5.5 |
| IMPDH1(595)-Y12A-S477D | 464 | 458–486 | 4.1 | 3.9–5.0 |
| IMPDH1(546)-WT | 757 | 725–792 | 4.6 | 3.9–5.7 |
| IMPDH1(546)-S477D | 486 | 452–524 | 3.7 | 3.0–4.9 |
| IMPDH1(546)-Y12A | 538 | 505–575 | 4.0 | 3.3–5.3 |
| IMPDH1(546)-Y12A-S477D | 458 | 450–480 | 4.2 | 4.0–5.1 |