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Geometrical parameters of the HA155-Ser and HA155-Thr. The bonds are given in Å and the angles in degrees.
| HA155-Ser | HA155-Thr | |
| Bonds * | ||
| B-O1 | 1.460 | 1.465 |
| B-O2 | 1.484 | 1.496 |
| B-O3 | 1.521 | 1.495 |
| Angles | ||
| B-O3-C1 | 119.6 | 122.8 |
| Intermolecular Hydrogen Bond | ||
| H1…O3 | 1.568 | - |
| H2…O4 | 2.210 | - |
| H1…O2 | - | 1.955 |
* The atom numbering follows the same format as represented in Figure 4.
