4XWY
Crystal structure of human sepiapterin reductase in complex with an N-acetylserotinin analogue
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4HWK |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | 2% W/V PEG1000, 2.5% V/V glycerol, 1.7 M Ammonium sulfate, 0.1 M Hepes |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.58 | 73.12 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 144.84 | α = 90 |
b = 144.84 | β = 90 |
c = 180.695 | γ = 120 |
Symmetry | |
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Space Group | P 61 |
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 | PIXEL | DECTRIS PILATUS 6M | 2014-12-11 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SLS BEAMLINE X06SA | 0.99999 | SLS | X06SA |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 2.35 | 125.435 | 100 | 0.096 | 0.1 | 0.03 | 15.8 | 11.2 | 89220 | 89220 | 55.8 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.35 | 2.48 | 100 | 0.716 | 0.716 | 0.22 | 1 | 11.5 | 13018 |
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 | FREE R-VALUE | 4HWK | 2.35 | 125.435 | 84419 | 4682 | 99.91 | 0.1868 | 0.1852 | 0.2167 | RANDOM | 48.374 |
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] | |
0.67 | 0.33 | 0.67 | -2.17 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.2 |
r_dihedral_angle_4_deg | 22.307 |
r_dihedral_angle_3_deg | 15.712 |
r_mcangle_it | 6.449 |
r_dihedral_angle_1_deg | 6.414 |
r_mcbond_it | 4.664 |
r_mcbond_other | 4.662 |
r_angle_refined_deg | 1.219 |
r_angle_other_deg | 0.658 |
r_chiral_restr | 0.065 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7744 |
Nucleic Acid Atoms | |
Solvent Atoms | 249 |
Heterogen Atoms | 313 |
Software
Software | |
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Software Name | Purpose |
PDB_EXTRACT | data extraction |
REFMAC | refinement |
Coot | model building |
MOLREP | phasing |
SCALA | data scaling |
XDS | data reduction |