8G9E
Crystal structure of the catalytic domain of human diphosphoinositol pentakisphosphate kinase 2 (PPIP5K2) in complex with AMP-PNP and 5-(PCF2P)-IP5, an analog of 5-IP7
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 277 | 14% (w/v) PEG 3350, 20 mM MgCl2, 0.1 M HEPES, pH 7.0, 1 mM AMPPNP, 2 mM CdCl2, Soaking with 2mM 5-PCF2P-InsP5 under pH 5.2 for 3 days , VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.65 | 53.53 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 88.082 | α = 90 |
b = 109.899 | β = 90 |
c = 41.09 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
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 EIGER X 16M | 2020-09-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 22-ID | 1 | APS | 22-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 1.75 | 50 | 99.1 | 0.087 | 0.096 | 0.04 | 11.3 | 5.4 | 40858 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 1.75 | 1.78 | 99.5 | 0.79 | 0.879 | 0.379 | 0.673 | 5.1 |
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 | FOURIER SYNTHESIS | THROUGHOUT | 3T9D | 1.75 | 38.52 | 38308 | 2023 | 98.04 | 0.1267 | 0.1241 | 0.1752 | RANDOM | 21.625 |
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] | |
0.89 | 1.1 | -1.99 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_rigid_bond_restr | 16.194 |
r_dihedral_angle_3_deg | 14.735 |
r_dihedral_angle_2_deg | 7.725 |
r_dihedral_angle_1_deg | 6.098 |
r_angle_refined_deg | 1.642 |
r_angle_other_deg | 0.813 |
r_chiral_restr | 0.133 |
r_bond_refined_d | 0.011 |
r_gen_planes_other | 0.011 |
r_gen_planes_refined | 0.008 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2550 |
Nucleic Acid Atoms | |
Solvent Atoms | 369 |
Heterogen Atoms | 78 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
REFMAC | phasing |