3QY1
1.54A Resolution Crystal Structure of a Beta-Carbonic Anhydrase from Salmonella enterica subsp. enterica serovar Typhimurium str. LT2
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1T75 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 298 | 30%PEG 4K,0.2M NH4 Acetate, 0.1Na Citrate, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 298K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.03 | 39.45 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 115.252 | α = 90 |
b = 48.223 | β = 113.45 |
c = 80.072 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 1 2 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 | MARMOSAIC 225 mm CCD | Be Lens | 2010-12-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 21-ID-F | 0.9787 | APS | 21-ID-F |
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 | 1.54 | 43.88 | 99.9 | 0.08 | 10.8 | 5 | 59389 | 59389 | -3 | -3 | 21.46 |
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) | |||||||||||
1.54 | 1.58 | 100 | 0.625 | 2.4 | 4.9 | 4342 |
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 | 1T75 | 1.54 | 22.55 | 59370 | 2999 | 0.1572 | 0.1564 | 0.1718 | RANDOM | 32.8 |
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] | |
1.8756 | -0.5992 | 2.4782 | -4.3538 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
t_omega_torsion | 3.54 |
t_other_torsion | 2.69 |
t_angle_deg | 0.95 |
t_bond_d | 0.01 |
t_dihedral_angle_d | |
t_trig_c_planes | |
t_gen_planes | |
t_it | |
t_nbd | |
t_improper_torsion |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3411 |
Nucleic Acid Atoms | |
Solvent Atoms | 447 |
Heterogen Atoms | 2 |
Software
Software | |
---|---|
Software Name | Purpose |
BLU-MAX | data collection |
MrBUMP | phasing |
BUSTER | refinement |
MOSFLM | data reduction |
SCALA | data scaling |