6XKG
Crystal structure of 3-O-Sulfotransferase isoform 3 in complex with 8mer oligosaccharide with 6S sulfation
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1T8U |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293 | Protein: 15.5mg/ml 3ost3a, 4mM PAP, 5mM 8mer Nac/NS2S6S, 25mM Tris pH 7.5, 125mM NaCl, Reservoir: 0.1M Bicine and 10% MPD |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.64 | 53.4 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 133.76 | α = 90 |
b = 65.012 | β = 124.735 |
c = 92.235 | 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 200K | varimaxHF | 2019-03-05 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.514 |
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 | 1.55 | 50 | 97 | 0.045 | 0.053 | 0.027 | 18.2 | 2.5 | 91530 | 18.29 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 1.55 | 1.58 | 90.2 | 0.426 | 0.583 | 0.396 | 0.748 | 1.98 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | 1T8U | 1.55 | 32.86 | 1.34 | 91491 | 2000 | 96.51 | 0.1642 | 0.1638 | 0.1826 | random selection | 24.9 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 14.94 |
f_angle_d | 1.0699 |
f_chiral_restr | 0.0558 |
f_bond_d | 0.0104 |
f_plane_restr | 0.0073 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4184 |
Nucleic Acid Atoms | |
Solvent Atoms | 687 |
Heterogen Atoms | 334 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
HKL-3000 | data reduction |
HKL-3000 | data scaling |
PHASER | phasing |