2WLD
Crystallographic analysis of the polysialic acid O-acetyltransferase OatWY
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 4.6 | 100 MM SODIUM ACETATE, PH 4.6, 2.25 M AMMONIUM ACETATE |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.7 | 54 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 79.093 | α = 90 |
b = 94.809 | β = 90 |
c = 100.854 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 2 2 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 | ADSC QUANTUM 315r | MIRRORS | 2007-10-24 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.2.2 | 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 | 2.2 | 40 | 100 | 0.05 | 42.8 | 8.1 | 39235 | 6 |
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 | 2.2 | 2.28 | 100 | 0.27 | 6.5 | 8.2 |
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 | IN-HOUSE STRUCTURE | 2.2 | 40 | 37262 | 1972 | 99.9 | 0.187 | 0.185 | 0.234 | RANDOM | 16.881 |
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] | |
1.07 | -0.43 | -0.64 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.937 |
r_dihedral_angle_4_deg | 15.472 |
r_dihedral_angle_3_deg | 15.009 |
r_dihedral_angle_1_deg | 6.458 |
r_scangle_it | 2.85 |
r_scbond_it | 1.776 |
r_angle_refined_deg | 1.329 |
r_angle_other_deg | 1.052 |
r_mcangle_it | 1.027 |
r_mcbond_it | 0.544 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4872 |
Nucleic Acid Atoms | |
Solvent Atoms | 204 |
Heterogen Atoms | 36 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
HKL | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |