The crystal structure of the post-reactive state of UDP-sugar pyrophosphorylase from Leishmania major in complex with product UDP-Glucose and by-product analog VO4 (orthovanadate)
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3OH4 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 293.15 | 200 mM ammonium acetate, 100 mM tri-sodium citrate, pH 5.4 - 5.6, and 15% - 17% polyethylene glycol-4000 (PEG-4000) |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.83 | 56.5 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 108.08 | α = 90 |
b = 122.42 | β = 105.55 |
c = 61.24 | 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 | PIXEL | DECTRIS PILATUS 6M | 2018-10-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.9763 | PETRA III, EMBL c/o DESY | P13 (MX1) |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym I (Observed) | CC (Half) | 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 | 2.2 | 59.1 | 99.9 | 0.048 | 0.0339 | 0.999 | 15.41 | 6.9 | 38888 | 70.626 |
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) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
1 | 2.2 | 2.3 | 99.8 | 0.5922 | 0.4284 | 0.85 | 2.18 | 7.04 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2.2 | 59.07 | 36921 | 1967 | 99.93 | 0.21275 | 0.21111 | 0.2169 | 0.24221 | 0.2414 | RANDOM | 68.667 |
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] | |
-0.99 | -2.35 | -0.74 | 2.63 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 32.996 |
r_dihedral_angle_3_deg | 15.263 |
r_dihedral_angle_4_deg | 14.749 |
r_long_range_B_refined | 8.905 |
r_long_range_B_other | 8.898 |
r_mcangle_it | 6.458 |
r_mcangle_other | 6.457 |
r_scangle_other | 6.338 |
r_dihedral_angle_1_deg | 5.397 |
r_scbond_it | 4.708 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4706 |
Nucleic Acid Atoms | |
Solvent Atoms | 246 |
Heterogen Atoms | 42 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
XDS | data reduction |
SADABS | data scaling |
PHASER | phasing |