4GW2
Crystal structure of arginine kinase in complex with L-ornithine, MgADP, and nitrate.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1M15 | PDB ENTRY 1M15 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8 | 298 | Protein at 30 mg/ml, 26% PEG 6000, 0.05M HEPES, 0.1M Magnesium chloride, 0.02M Potassium ADP, 0.25M Sodium nitrate, 0.025M Sodium azide, 0.005M DTT, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 398.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.29 | 46.38 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 65.393 | α = 90 |
b = 70.312 | β = 90 |
c = 80.319 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | MAR CCD 165 mm | 2002-09-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R | 1.541 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 2.157 | 29.648 | 96.7 | 19862 | 19862 | 1 | 1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.157 | 2.374 | 91 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (I) | Cut-off Sigma (F) | Number Reflections (All) | 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 | ISOMORPHOUS WITH PDB ENTRY 1M15 | PDB ENTRY 1M15 | 2.157 | 29.648 | 1 | 1 | 19862 | 19862 | 600 | 96.7 | 0.1944 | 0.1934 | 0.2286 | Used same test set as PDB entry 1M15 |
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] | |
-6.701 | 13.4519 | -6.7508 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.099 |
f_angle_d | 0.892 |
f_chiral_restr | 0.065 |
f_bond_d | 0.006 |
f_plane_restr | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2817 |
Nucleic Acid Atoms | |
Solvent Atoms | 239 |
Heterogen Atoms | 41 |
Software
Software | |
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Software Name | Purpose |
CrystalClear | data collection |
PHENIX | model building |
PHENIX | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
PHENIX | phasing |