3E4Q
Crystal structure of apo DctB
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION | 7.5 | 289 | 0.1M HEPES PH 7.5, 15-20% PEG 3350, 0.04M CALCIUM CHLORIDE, VAPOR DIFFUSION, temperature 289K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
1.88 | 34.69 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 57.988 | α = 90 |
b = 38.735 | β = 94.47 |
c = 111.172 | 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 | 100 | CCD | MAR CCD 165 mm | 2007-06-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BSRF BEAMLINE 3W1A | BSRF | 3W1A |
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 | 2.75 | 50 | 95.9 | 0.068 | 8.5 | 2.7 | 12743 |
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 | 2.75 | 2.85 | 97.7 | 0.369 | 2.6 |
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB 3E4O | 2.75 | 30 | 11984 | 663 | 96 | 0.199 | 0.195 | 0.274 | RANDOM | 52.32 |
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] | |
1.16 | 2.18 | 2.08 | -2.9 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 38.084 |
r_dihedral_angle_3_deg | 23.398 |
r_dihedral_angle_4_deg | 20.675 |
r_dihedral_angle_1_deg | 10.102 |
r_scangle_it | 3.541 |
r_angle_refined_deg | 2.29 |
r_scbond_it | 2.182 |
r_mcangle_it | 1.333 |
r_mcbond_it | 0.778 |
r_nbtor_refined | 0.333 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3890 |
Nucleic Acid Atoms | |
Solvent Atoms | 10 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
MOLREP | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
DENZO | data reduction |
SCALEPACK | data scaling |