1GTK
Time-resolved and static-ensemble structural chemistry of hydroxymethylbilane synthase
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 2YPN | PDB ENTRY 2YPN |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 5.3 | PROTEIN WAS CRYSTALLISED AT PH 5.3 IN SITTING DROPS OF 0.05 ML WITH 6-7 MG/ML OF PROTEIN, 0.3 MM EDTA, 15 MM DITHIOTHREITOL, 10%(W/V) PEG6000 AND 0.01% NAN3 IN 0.1 M SODIUM ACETATE. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.45 | 50 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 87.5 | α = 90 |
b = 75.9 | β = 90 |
c = 50.1 | γ = 90 |
Symmetry | |
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Space Group | P 21 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 | 1997-06-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID09 | ESRF | ID09 |
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 | 1.66 | 43.85 | 87 | 34417 |
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 | 1.66 | 1.75 | 70.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 2YPN | 1.66 | 43.85 | 32708 | 1709 | 87 | 0.2 | 0.198 | 0.247 | RANDOM |
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 |
r_scangle_it | 4.704 |
r_scbond_it | 3.14 |
r_angle_other_deg | 2.004 |
r_mcangle_it | 1.982 |
r_mcbond_it | 1.174 |
r_dihedral_angle_3_deg | 0.98 |
r_symmetry_vdw_refined | 0.304 |
r_symmetry_vdw_other | 0.292 |
r_nbd_refined | 0.281 |
r_symmetry_hbond_refined | 0.262 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2228 |
Nucleic Acid Atoms | |
Solvent Atoms | 320 |
Heterogen Atoms | 30 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
O | phasing |