2PC6
Crystal structure of putative acetolactate synthase- small subunit from Nitrosomonas europaea
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 2% TACSIMATE, 10% PEG 400, 0.1M KCl, 10mM CaCl2, 50 mM Na-HEPES, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.84 | 56.69 |
Crystal Data
Unit Cell | |
---|---|
Length ( ? ) | Angle ( ? ) |
a = 122.123 | ¦Á = 90 |
b = 122.123 | ¦Â = 90 |
c = 111.559 | ¦Ã = 90 |
Symmetry | |
---|---|
Space Group | P 42 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 | ADSC QUANTUM 315 | SI 111 CHANNEL | 2005-10-21 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.97950 | APS | 19-ID |
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 | 2.5 | 35.58 | 99.9 | 0.084 | 0.084 | 60.72 | 18.9 | 28271 | 28271 | -3 | 44.2 |
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 | 2.5 | 2.57 | 100 | 0.431 | 0.431 | 7.35 | 19.3 |
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 (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2.5 | 35.58 | 28270 | 28270 | 1465 | 99.85 | 0.20846 | 0.20846 | 0.20503 | 0.27573 | RANDOM | 47.511 |
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] | |
1.08 | 1.08 | -2.16 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.874 |
r_dihedral_angle_4_deg | 21.305 |
r_dihedral_angle_3_deg | 19.982 |
r_dihedral_angle_1_deg | 8.055 |
r_scangle_it | 4.538 |
r_scbond_it | 3.07 |
r_angle_refined_deg | 1.838 |
r_mcbond_it | 1.532 |
r_mcangle_it | 1.381 |
r_nbtor_refined | 0.31 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 4858 |
Nucleic Acid Atoms | |
Solvent Atoms | 200 |
Heterogen Atoms | 27 |
Software
Software | |
---|---|
Software Name | Purpose |
HKL-2000 | data scaling |
SHELXD | phasing |
SHELXE | model building |
MLPHARE | phasing |
DM | model building |
SOLVE | phasing |
O | model building |
Coot | model building |
CCP4 | model building |
REFMAC | refinement |
HKL-2000 | data collection |
HKL-2000 | data reduction |
HKL-3000 | phasing |
DM | phasing |
RESOLVE | phasing |
CCP4 | phasing |
ARP/wARP | model building |