Crystal structure of Lysosomal Phospholipase A2 in complex with Isopropyl dodec-11-enylfluorophosphonate (IDFP)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4X90 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | 100 mM HEPES pH 7.5, 3.5% PEG 8000, 28% MPD, 300 mM (NH4)2HPO4 |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.23 | 61.91 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 62.83 | α = 79.08 |
| b = 90.172 | β = 88.88 |
| c = 99.345 | γ = 89.11 |
| Symmetry | |
|---|---|
| Space Group | P 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 300 mm CCD | 2013-07-28 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | APS BEAMLINE 21-ID-D | 0.97933 | APS | 21-ID-D |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2.28 | 30 | 98.2 | 0.08 | 0.113 | 0.08 | 6.9 | 2 | 95158 | ||||||||||
| 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 | 2.3 | 2.34 | 97.4 | 0.511 | 0.723 | 0.511 | 0.652 | 2 | |||||||||||
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 | 4X90 | 2.3 | 28.96 | 90314 | 4840 | 97.14 | 0.1849 | 0.1833 | 0.19 | 0.2136 | 0.21 | RANDOM | 35.152 | ||||
| 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] | |
| 1.35 | 0.21 | 0.58 | 0.49 | 2.05 | -0.96 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 31.545 |
| r_dihedral_angle_1_deg | 22.248 |
| r_dihedral_angle_4_deg | 13.078 |
| r_dihedral_angle_3_deg | 12.928 |
| r_angle_refined_deg | 1.52 |
| r_angle_other_deg | 1.239 |
| r_chiral_restr | 0.066 |
| r_bond_refined_d | 0.008 |
| r_gen_planes_refined | 0.006 |
| r_bond_other_d | 0.001 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 12076 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 513 |
| Heterogen Atoms | 498 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| HKL-2000 | data scaling |
| SCALEPACK | data scaling |
| PHASER | phasing |
| Coot | model building |
| PDB_EXTRACT | data extraction |
| Aimless | data scaling |
| XDS | data reduction |














