Crystal structure of the extracellular domains of coxsackie & adenovirus receptor from mouse (mCAR)
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293.15 | protein buffer: 20mM TRIS 50mM NaCl protein concentration: 8mg / ml; crystallization buffer 0.1M HEPES pH 7.5 21% PEG 4000 15% isopropanol; crystalliztion setup: mixture 400nl protein sample : 400nl crystallization buffer reservoir filled with 80 ul crystallization buffer; cryo solution: 25% PEG 4000 20% isopropanol 10% glycerol 0.1M HEPES pH 7.5 freezing of crystals: crystallization setup was overlayed with cryosolution, floating crystals were removed with a cryoloop and flash-frozen in liquid nitrogen., VAPOR DIFFUSION, SITTING DROP, temperature 293.15K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.98 | 58.78 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 53.369 | α = 90 |
| b = 61.468 | β = 90 |
| c = 86.355 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 110 | CCD | RAYONIX MX-225 | Mirror 1: Silicon, active surface 50nm Rh-coated. Double crystal monochromator: Si-111 crystal. Mirror 2: Glas, active surface 50nm Rh-coated | 2008-07-16 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | BESSY BEAMLINE 14.2 | 0.9184 | BESSY | 14.2 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge 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 | 2.18 | 50 | 99.1 | 0.083 | 13.63 | 3.3 | 15245 | 47.774 | |||||||||||
| 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) | |||||||||||
| 2.18 | 2.26 | 98.2 | 0.453 | 2.37 | 3.2 | 1481 | |||||||||||||
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 | 1EAJ (complete) for domain D1 2V5R (residues 5-40, 44-62, 68-76, 81-90) for domain D2 | 2.19 | 50 | 15150 | 754 | 98.482 | 0.212 | 0.209 | 0.22 | 0.265 | 0.28 | RANDOM | 38.075 | ||||
| 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] | |
| -0.45 | 1.14 | -0.68 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.734 |
| r_dihedral_angle_4_deg | 21.723 |
| r_dihedral_angle_3_deg | 16.335 |
| r_dihedral_angle_1_deg | 6.909 |
| r_scangle_it | 4.801 |
| r_scbond_it | 3.532 |
| r_mcangle_it | 2.098 |
| r_mcbond_it | 1.659 |
| r_angle_refined_deg | 1.483 |
| r_angle_other_deg | 0.871 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1647 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 127 |
| Heterogen Atoms | 8 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| PHASER | phasing |
| REFMAC | refinement |
| PDB_EXTRACT | data extraction |
| MAR345dtb | data collection |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |














