1OBW
STRUCTURE OF INORGANIC PYROPHOSPHATASE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 7.5 | pH 7.5 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.34 | 40 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 110.3 | α = 90 |
b = 110.3 | β = 90 |
c = 78.2 | γ = 120 |
Symmetry | |
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Space Group | P 32 2 1 |
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 | 293 | IMAGE PLATE | MARRESEARCH | 1996-05-11 | M |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
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 | 1.9 | 20 | 99.7 | 0.05 | 14 | 6 | 41190 | 3 |
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 | 1.9 | 1.95 | 99.2 | 0.244 | 4 | 3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPL. | REFINED STRUCTURE OF APO-FORM OF THIS ENZYME AT 2.2A. (HARUTYUNYAN ET AL., 1996, CRYSTALLOGRAPHIA(RUS), V.14 ,PP84-96. | 1.9 | 15 | 1 | 360600 | 0.176 | 0.22 | 34 |
Temperature Factor Modeling | ||||||
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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 |
p_transverse_tor | 22.5 |
p_staggered_tor | 19.4 |
p_scangle_it | 5.37 |
p_scbond_it | 5.166 |
p_mcangle_it | 4.664 |
p_mcbond_it | 1.927 |
p_multtor_nbd | 0.255 |
p_xyhbond_nbd | 0.187 |
p_singtor_nbd | 0.173 |
p_chiral_restr | 0.142 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4137 |
Nucleic Acid Atoms | |
Solvent Atoms | 250 |
Heterogen Atoms | 7 |
Software
Software | |
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Software Name | Purpose |
AMoRE | phasing |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |