3TY1
Crystal structure of a putative aldose 1-epimerase (KPN_04629) from Klebsiella pneumoniae subsp. pneumoniae MGH 78578 at 1.90 A resolution
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 40.00% 2-methyl-2,4-pentanediol, 0.20M ammonium sulfate, 0.1M TRIS pH 7.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.86 | 56.93 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 124.033 | α = 90 |
b = 119.953 | β = 106.72 |
c = 103.015 | γ = 90 |
Symmetry | |
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Space Group | C 1 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 | 100 | CCD | MARMOSAIC 325 mm CCD | double crystal monochromator | 2011-06-23 | M | MAD |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.91162,0.97932,0.97915 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.9 | 29.698 | 99.9 | 0.074 | 9.8 | 3.8 | 113332 | 113332 | 27.331 |
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 | 1.9 | 1.95 | 100 | 0.561 | 0.561 | 2.3 | 3.8 | 8363 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | 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 | MAD | THROUGHOUT | 1.9 | 29.698 | 113323 | 5671 | 99.96 | 0.1598 | 0.1581 | 0.1931 | RANDOM | 47.1879 |
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] | |
0.35 | -0.23 | -1.32 | 0.84 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.836 |
r_dihedral_angle_4_deg | 13.788 |
r_dihedral_angle_3_deg | 12.059 |
r_scangle_it | 6.86 |
r_dihedral_angle_1_deg | 5.687 |
r_scbond_it | 4.855 |
r_mcangle_it | 2.8 |
r_mcbond_it | 1.772 |
r_angle_refined_deg | 1.667 |
r_angle_other_deg | 1.232 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 8927 |
Nucleic Acid Atoms | |
Solvent Atoms | 778 |
Heterogen Atoms | 132 |
Software
Software | |
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Software Name | Purpose |
MolProbity | model building |
PDB_EXTRACT | data extraction |
SHELX | phasing |
SHARP | phasing |
SCALA | data scaling |
REFMAC | refinement |
MOSFLM | data reduction |
SHELXD | phasing |
autoSHARP | phasing |