1OK2
Decay accelerating factor (CD55): the structure of an intact human complement regulator.
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 4.6 | 0.2 M AMMONIUM SULPHATE 20% M-PEG 5K, 0.1M SODIUM ACETATE PH 4.6, 10% GLYCEROL | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.59 | 50 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 47.58 | α = 86.56 |
| b = 55.62 | β = 84.44 |
| c = 61.53 | γ = 64.22 |
| 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 | MARRESEARCH | 2002-05-15 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ELETTRA BEAMLINE 5.2R | ELETTRA | 5.2R | |
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 | 2.5 | 19 | 99 | 0.07 | 15.4 | 7 | 18310 | 0.239 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1H03 | 2.5 | 19 | 18283 | 18283 | 99 | 0.229 | RANDOM | |||||||||
| 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 | |
|---|---|
| Key | Refinement Restraint Deviation |
| t_dihedral_angle_d | 19.85 |
| t_it | 1.17 |
| t_angle_deg | 0.981 |
| t_nbd | 0.122 |
| t_gen_planes | 0.018 |
| t_bond_d | 0.01 |
| t_trig_c_planes | 0.007 |
| t_incorr_chiral_ct | |
| t_pseud_angle | |
| t_omega_torsion | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3930 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 275 |
| Heterogen Atoms | 80 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHARP | model building |
| TNT | refinement |
| SCALA | data scaling |
| MOLREP | phasing |
| BUSTER | phasing |
| TNT | phasing |
| SHARP | phasing |
| DM | phasing |
| SOLOMON | phasing |
| SIGMAA | phasing |
