1JDB
CARBAMOYL PHOSPHATE SYNTHETASE FROM ESCHERICHIA COLI
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.4 | 0.65M TETRAETHYL AMMONIUM CHLORIDE (E4NCL) 8% PEG 8000 100MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 25MM HEPES PH 7.4. THE CRYSTAL WAS SOAKED INTO: 1.4M E4NCL 8% PEG 8000 250MM KCL 2.5MM MNCL2 2.5MM ADP 2.5MM ORNITHINE 25MM GLUTAMINE 25MM HEPES PH 7.4 7.5% ETHYLENE GLYCOL. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3 | 60 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 143.8 | α = 90 |
b = 167.7 | β = 90 |
c = 323 | 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 | 120 | IMAGE PLATE | MARRESEARCH | 1997-07-09 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL7-1 | SSRL | BL7-1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.1 | 30 | 90 | 0.059 | 0.059 | 22.9 | 4.1 | 404724 |
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 | 2.1 | 2.18 | 73 | 0.203 | 0.203 | 3.2 | 2.3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | PDB ENTRY 1JDB | 2.1 | 30 | 404724 | 404724 | 90 | 0.179 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
t_it | 500 |
t_dihedral_angle_d | 17.6 |
t_angle_deg | 2.61 |
t_nbd | 0.034 |
t_bond_d | 0.011 |
t_gen_planes | 0.009 |
t_trig_c_planes | 0.004 |
t_incorr_chiral_ct | |
t_pseud_angle |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 44220 |
Nucleic Acid Atoms | |
Solvent Atoms | 4857 |
Heterogen Atoms | 487 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |
TNT | refinement |