7,8-Dihydroneopterin Aldolase Complexed with Product From Mycobacterium Tuberculosis
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1DHN | PDB ENTRY 1DHN |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 300 | PEG 4000, sodium acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 300K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.73 | 29 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 78.56 | α = 90 |
| b = 85.15 | β = 112.69 |
| c = 74.79 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 200 | IMAGE PLATE | RIGAKU RAXIS IV | mirrors | 2002-01-17 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU | 1.5418 | ||
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 | 1.6 | 90 | 99.2 | 0.068 | 118185 | 118185 | 1 | 1 | |||||||||||
| 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) | |||||||||||
| 1.6 | 1.66 | 93.9 | 0.464 | ||||||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | 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 | AB INITIO | FREE R | PDB ENTRY 1DHN | 1.6 | 10 | 111758 | 109918 | 4817 | 93.8 | 0.177 | 0.177 | 0.166 | 0.21 | 0.257 | 0.25 | RANDOM | |||
| 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 7947.25 | ||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_anti_bump_dis_restr | 0.1 |
| s_approx_iso_adps | 0.07 |
| s_similar_adp_cmpnt | 0.059 |
| s_non_zero_chiral_vol | 0.047 |
| s_zero_chiral_vol | 0.036 |
| s_angle_d | 0.029 |
| s_from_restr_planes | 0.0263 |
| s_bond_d | 0.019 |
| s_rigid_bond_adp_cmpnt | 0.002 |
| s_similar_dist | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 7406 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 470 |
| Heterogen Atoms | 112 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| GLRF | phasing |
| SHELXL-97 | refinement |














