2C16
5-(4-Carboxy-2-oxo-butane-1-sulfinyl)-4-oxo-pentanoic acid acid bound to Porphobilinogen synthase from Pseudomonas aeruginosa
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1B4K | PDB ENTRY 1B4K |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | HANGING DROP IN 24-WELL LIMBRO PLATES. DROPS MADE OF 5 MICROL PROTEIN SOLUTION (10 MG/ML PROTEIN, 50 MM TRIS-HCL, PH 7.5, 5 MM MGCL2, 10 MM 5-(4-CARBOXY-2-OXO-BUTANE-1-SULFINYL)-4-OXO-PENTANOIC ACID DISODIUM SALT) PLUS 5 MICROL RESERVOIR SOLUTION (18.0 % (W/V) PEG-3350, 220 MM LICL) ABOVE 500 MICROL OF RESERVOIR SOLUTION. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.3 | 45.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 125.513 | α = 90 |
b = 125.513 | β = 90 |
c = 86.765 | γ = 90 |
Symmetry | |
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Space Group | P 4 21 2 |
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 | MARRESEARCH | MIRRORS | 2005-02-09 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | BESSY BEAMLINE 14.1 | BESSY | 14.1 |
Data Collection
Overall | |||||||||||||||||||
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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 | 2.02 | 39.68 | 99.8 | 0.04 | 38 | 6.5 | 45985 |
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 | 2.02 | 2.07 | 99.8 | 0.23 | 4.17 | 6 |
Refinement
Statistics | |||||||||||||||||||
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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 | PDB ENTRY 1B4K | 2.02 | 89.8 | 43556 | 2322 | 99.8 | 0.145 | 0.143 | 0.183 | RANDOM | 15.63 |
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] | |
-0.2 | -0.2 | 0.39 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 34.417 |
r_dihedral_angle_4_deg | 18.188 |
r_dihedral_angle_3_deg | 14.712 |
r_dihedral_angle_1_deg | 5.773 |
r_scangle_it | 3.068 |
r_scbond_it | 2.071 |
r_angle_refined_deg | 1.474 |
r_mcangle_it | 1.182 |
r_mcbond_it | 0.77 |
r_nbtor_refined | 0.298 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 5096 |
Nucleic Acid Atoms | |
Solvent Atoms | 654 |
Heterogen Atoms | 44 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |