Crystal Structure of the D97N variant of dinitrogenase reductase- activating glycohydrolase (DRAG) from Rhodospirillum rubrum in complex with ADP-ribose
X-RAY DIFFRACTION
Crystallization
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.4 | 48 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 82.11 | α = 90 |
| b = 84.36 | β = 90 |
| c = 146.1 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 315r | 2008-11-14 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | ESRF | ID23-1 | |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 1.9 | 73.13 | 97.8 | 0.1 | 12.3 | 4.4 | 78445 | 3 | 22.4 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.9 | 2 | 98.6 | 0.51 | 2.7 | 4.4 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | NONE | 1.9 | 30 | 74423 | 3955 | 97.25 | 0.16912 | 0.1671 | 0.17 | 0.20731 | 0.21 | RANDOM | 22.657 | ||||
| Temperature Factor Modeling | ||||||
|---|---|---|---|---|---|---|
| Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
| 1.86 | -2.05 | 0.19 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.936 |
| r_dihedral_angle_4_deg | 17.142 |
| r_dihedral_angle_3_deg | 14.261 |
| r_dihedral_angle_1_deg | 5.153 |
| r_scangle_it | 2.132 |
| r_scbond_it | 1.397 |
| r_angle_refined_deg | 1.198 |
| r_angle_other_deg | 0.919 |
| r_mcangle_it | 0.653 |
| r_mcbond_it | 0.594 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 6612 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 758 |
| Heterogen Atoms | 127 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| MOSFLM | data reduction |
| SCALA | data scaling |
| MOLREP | phasing |














