2A6B
Crystal structure of a putative transcriptional regulator of the tena family (spr0628) from streptococcus pneumoniae r6 at 1.70 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 273 | o.2M LiCl, 20.0% PEG-3350, No Buffer pH 6.7, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 273K | |
2 | VAPOR DIFFUSION,SITTING DROP,NANODROP | 273 | 0.2M NH4OAc, 30.0% PEG-4000, 0.1M Citrate pH 5.6, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 273K |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 119.908 | α = 90 |
b = 119.908 | β = 90 |
c = 47.105 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 4 21 2 |
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 | MARMOSAIC 325 mm CCD | 2005-06-01 | M | SINGLE WAVELENGTH | ||||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 4 | 2005-05-05 | M | MAD |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 1.00000 | SSRL | BL9-2 |
2 | SYNCHROTRON | SSRL BEAMLINE BL1-5 | 0.918381, 0.978455, 0.978964, 1.033150 | SSRL | BL1-5 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 1.7 | 29.98 | 100 | 0.089 | 0.089 | 4.4 | 9.4 | 38398 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1,2 | 1.7 | 1.74 | 100 | 0.513 | 0.513 | 1.3 | 9.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MAD | THROUGHOUT | 1.7 | 29.98 | 36426 | 1937 | 99.98 | 0.156 | 0.155 | 0.175 | RANDOM | 20.293 |
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] | |
-1.19 | -1.19 | 2.38 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.219 |
r_dihedral_angle_4_deg | 16.404 |
r_dihedral_angle_3_deg | 12.866 |
r_scangle_it | 6.349 |
r_dihedral_angle_1_deg | 4.933 |
r_scbond_it | 4.702 |
r_mcangle_it | 2.797 |
r_mcbond_it | 2.192 |
r_angle_refined_deg | 1.304 |
r_angle_other_deg | 1.272 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1758 |
Nucleic Acid Atoms | |
Solvent Atoms | 240 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |
CCP4 | data scaling |
SOLVE | phasing |