3L76
Crystal Structure of Aspartate Kinase from Synechocystis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 293 | 0.1M Ammonium sulafte, 0.15 M Ammonium citrate, 9.5% PEG 3350, 2mM lysine, 2mM threonine, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.02 | 59.3 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 86.21 | α = 90 |
b = 237.71 | β = 90 |
c = 150.08 | γ = 90 |
Symmetry | |
---|---|
Space Group | C 2 2 21 |
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 | 2007-06-13 | M | MAD | |||||
2 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210r | Undulator | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM30A | 0.97924, 0.97939 | ESRF | BM30A |
2 | SYNCHROTRON | ESRF BEAMLINE ID14-1 | 0.934 | ESRF | ID14-1 |
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 | 2.54 | 41.4 | 98 | 0.074 | 0.074 | 24.9 | 7.33 | 51063 |
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) | ||||||||||
2.54 | 2.64 | 95.3 | 0.533 | 0.533 | 4.03 | 7.2 | 5258 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MAD | 2.54 | 41.4 | 1.36 | 51050 | 2553 | 99.69 | 0.2021 | 0.2021 | 0.1992 | 0.19 | 0.2547 | 0.25 | 61.344 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[2][2] | Anisotropic B[3][3] | ||||
6.813 | -1.433 | -5.38 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 18.257 |
f_angle_d | 1.152 |
f_chiral_restr | 0.092 |
f_bond_d | 0.009 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 8473 |
Nucleic Acid Atoms | |
Solvent Atoms | 174 |
Heterogen Atoms | 77 |
Software
Software | |
---|---|
Software Name | Purpose |
Nemo/Xnemo | data collection |
SOLVE | phasing |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |