Table 1.
Data collection and refinement statistics
| RGMA–GDF5 | RGMB–GDF5 (crystal form 1) | RGMB–GDF5 (crystal form 2) | RGMC–GDF5 | NEO1–RGMB–GDF5 | |
| Data collection | |||||
| X-ray source | Diamond Light Source | Diamond Light Source | Diamond Light Source | Diamond Light Source | Diamond Light Source |
| I04 | I03 | I04 | I03 | I04 | |
| Space group | P 62 2 2 | P 21 | P 62 2 2 | P 62 2 2 | P 62 |
| Unit cell dimensions, a, b, c (Å) | 97.65, 97.65, 99.82 | 36.48, 127.75, 39.91 | 98.86, 98.86, 99.81 | 98.82, 98.82, 99.23 | 279.48, 279.48, 142.37 |
| α, β, γ (°) | 90.00, 90.00, 120.00 | 90.00, 99.32, 90.00 | 90.00, 90.00, 120.00 | 90.00, 90.00, 120.00 | 90.00, 90.00, 120.00 |
| Wavelength (Å) | 0.9795 | 0.9762 | 0.9795 | 0.9763 | 0.9795 |
| Resolution (Å)* | 49.91–2.78 (2.85–2.78) | 39.38–1.65 (1.69–1.65) | 64.98–3.13 (3.21–3.13) | 85.58–2.50 (2.56–2.50) | 70.19–5.50 (5.60–5.50) |
| Rmeas (%) | 9.2 (423.8) | 10.5 (378.5) | 8.3 (330.9) | 12.3 (692.7) | 27.2 (251.7) |
| I/σ(I) | 23.4 (0.8) | 9.5 (0.5) | 23.4 (1.1) | 23.9 (0.7) | 5.7 (0.8) |
| Completeness (%) | 97.8 (92.0) | 99.7 (99.1) | 97.6 (95.9) | 99.0 (96.7) | 99.9 (100.0) |
| Redundancy | 18.5 (19.8) | 6.8 (6.3) | 35.8 (24.3) | 47.8 (36.6) | 6.3 (6.5) |
| CC 1/2 (%) | 100.0 (59.2) | 99.9 (21.2) | 100.0 (80.6) | 100.0 (44.2) | 99.8 (28.1) |
| Refinement | |||||
| Resolution (Å) | 48.83–2.78 | 39.38–1.65 | 49.43–3.16 | 85.58–2.51 | 69.87–5.50 |
| No. reflections | 7,337 | 42,900 | 4,299 | 8,883 | 20,730 |
| Rwork/Rfree (%) | 23.4/28.8 | 19.1/21.9 | 23.5/26.8 | 23.8/26.7 | 32.6/42.8 |
| No. atoms | |||||
| Protein | 1,265 | 2,822 | 1,230 | 1,230 | 25,084 |
| Ligand/glycan/ion | 13 | 51 | 0 | 0 | 126 |
| Water | 0 | 142 | 0 | 12 | 0 |
| B factors (Å2) | |||||
| Protein | 163.8 | 41.3 | 129.3 | 108.1 | 572.8 |
| Ligand/ion | 247.0 | 62.6 | – | – | 521.6 |
| Water | – | 42.0 | – | 43.1 | – |
| RMSD | |||||
| Bond lengths (Å) | 0.006 | 0.006 | 0.001 | 0.003 | 0.012 |
| Bond angles (°) | 0.98 | 1.17 | 0.38 | 0.87 | 1.61 |
| Ramachandran outliers (%) | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 |
| Ramachandran favored (%) | 90.4 | 97.7 | 95.5 | 94.7 | 95.1 |
| MolProbity score | 1.5 | 1.2 | 1.4 | 0.9 | 1.8 |
| MolProbity clash score | 2.0 | 3.6 | 2.5 | 0 | 3.1 |
*
Values in parentheses are for highest-resolution shell.