HUMAN SQUALENE SYNTHASE IN COMPLEX WITH (1S,3R)-3-[2-Chloro-5-(2,2-dimethyl-propyl)-13-(2-methoxy-phenyl)-6,8-dioxo-5,6,7,8,10,11-hexahydro-13H-12-oxa-5,9-diaza-benzocycloundecen-9-yl]-cyclohexanecarboxylic acid
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 20% PEG8000/ 50mM KH2PO4/ 1mM DTT. Complex crystal was prepared by soaking in 20% PEG8000/ 50mM KH2PO4, pH 6/ 1mM DTT | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.56 | 51.92 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 87.33 | α = 90 |
| b = 60.016 | β = 116.66 |
| c = 85.558 | 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 | IMAGE PLATE | RIGAKU RAXIS VII | 2003-02-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU MICROMAX-007 HF | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim 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 | 38.23 | 99.9 | 0.074 | 0.074 | 7.5 | 3.53 | 26854 | |||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 2 | 2.07 | 99.7 | 0.235 | 2.9 | 3.48 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 25 | 25539 | 1294 | 99.77 | 0.1664 | 0.1637 | 0.16 | 0.2193 | 0.22 | RANDOM | 18.952 | |||||
| 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] | |
| 0.94 | -0.84 | 0.3 | -0.27 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.096 |
| r_dihedral_angle_4_deg | 18.396 |
| r_dihedral_angle_3_deg | 13.416 |
| r_dihedral_angle_1_deg | 5.301 |
| r_angle_refined_deg | 1.623 |
| r_chiral_restr | 0.1 |
| r_bond_refined_d | 0.009 |
| r_gen_planes_refined | 0.009 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2653 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 298 |
| Heterogen Atoms | 45 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| d*TREK | data reduction |
| d*TREK | data scaling |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| PHASER | phasing |














