Crystal structure of the APSK domain of human PAPSS1 complexed with 2 APS molecules
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 1M7G | pdb id 1M7G | 
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 295 | reservoir: 18-20% PEG 3350, 0.25 M calcium acetate protein solution: 5-8 mg/ml protein, 3 mM APS, 5 mM MgCl2, 50 mM Tris pH 7.5, 50 mM KCl, VAPOR DIFFUSION, HANGING DROP, temperature 295K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 2.28 | 46 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 181.19 | α = 90 | 
| b = 69.03 | β = 116.61 | 
| c = 150.61 | γ = 90 | 
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 | 
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | 2004-03-17 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | APS BEAMLINE 22-BM | 0.9594 | APS | 22-BM | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2.05 | 10 | 83.6 | 0.095 | 0.082 | 12.4 | 3.7 | 121588 | 101698 | ||||||||||
| 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) | ||||||||||
| 2.05 | 2.1 | 92.8 | 0.301 | 0.24 | 4.36 | 2.5 | 7260 | ||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | pdb id 1M7G | 2.05 | 10 | 101066 | 10107 | 97.47 | 0.223 | 0.217 | 0.22 | 0.282 | 0.28 | RANDOM | 27.759 | ||||
| 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] | |
| 0.62 | -0.02 | -0.65 | 0.01 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 34.362 | 
| r_dihedral_angle_4_deg | 18.209 | 
| r_dihedral_angle_3_deg | 16.318 | 
| r_dihedral_angle_1_deg | 5.807 | 
| r_scangle_it | 2.403 | 
| r_angle_refined_deg | 1.729 | 
| r_scbond_it | 1.575 | 
| r_mcangle_it | 1.021 | 
| r_mcbond_it | 0.611 | 
| r_nbtor_refined | 0.302 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 12417 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 832 | 
| Heterogen Atoms | 438 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| XSCALE | data scaling | 
| MOLREP | phasing | 
| REFMAC | refinement | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 














