Table 2.
Refinement statistics
| Native enzyme | NADP/SMCS complex | |
| Refinement | ||
| Resolution range (Å) | 40–2.77 | 50–1.84 |
| Ra | 21.5 | 19.2 |
| Rfreeb | 28.1 | 22.9 |
| No. of protein atoms | 2828 | 5656 |
| No. of nonprotein atoms | — | 206 |
| No. of water molecules | 44 | 457 |
| Stereochemistry | ||
| msd for bond lengths (Å) | 0.01 | 0.007 |
| rmsd for bond angles (deg) | 1.6 | 1.4 |
| Residues in the Ramachandran plot | ||
| Most favored region (%) | 85.2 | 90.7 |
| Additional allowed regions (%) | 13.9 | 8.7 |
| Generously allowed regions (%) | 0.9 | 0.6 |
aR = 100(∑h|Fobs− F|/∑h|Fobs|).
bRfree = R for a randomly selected 5% of the data excluded from the refinement.