3MAY
Crystal structure of a secreted Mycobacterium tuberculosis heme-binding protein
X-RAY DIFFRACTION
Crystallization
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.76 | 55.39 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 72.671 | α = 90 |
b = 72.671 | β = 90 |
c = 173.909 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 41 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 2002-06-15 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 0.9792, 0.9795, 1.04 | ALS | 8.2.2 |
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 | 2.5 | 100 | 99.8 | 0.075 | 31.8 | 14.9 | 31089 | 1 | 1 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 2.5 | 72.68 | 30856 | 29261 | 1595 | 99.49 | 0.19776 | 0.1947 | 0.2557 | RANDOM | 58.279 |
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] | |
1.69 | 1.69 | -3.39 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 43.086 |
r_dihedral_angle_3_deg | 22.345 |
r_dihedral_angle_4_deg | 12.624 |
r_dihedral_angle_1_deg | 6.756 |
r_scangle_it | 5.987 |
r_scbond_it | 3.927 |
r_mcangle_it | 2.357 |
r_rigid_bond_restr | 2.296 |
r_angle_refined_deg | 1.979 |
r_mcbond_it | 1.445 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 5323 |
Nucleic Acid Atoms | |
Solvent Atoms | 56 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data collection |
MLPHARE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
SCALEPACK | data scaling |