Crystal structure of the complex of goat lactoperoxidase with thiocyanate at 3.2 A resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2OJV | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.2 | 280 | 0.2M Ammonium nitrate 20%w/v PEG 3350, PH 6.2, VAPOR DIFFUSION, HANGING DROP, temperature 280K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.54 | 51.51 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 58.522 | α = 85.3 |
| b = 72.537 | β = 84.06 |
| c = 83.983 | γ = 75.68 |
| 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 | 278 | IMAGE PLATE | MARRESEARCH | MIRROR | 2006-09-18 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RU300 | 1.5418 | ||
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 3.25 | 25 | 95.2 | 0.061 | 3.8 | 20901 | 20901 | ||||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 3.25 | 3.31 | 95.8 | 0.278 | 1.9 | ||||||||||||||
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 (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 | 2OJV | 3.25 | 24.98 | 19767 | 18756 | 1011 | 94.58 | 0.20954 | 0.2053 | 0.21 | 0.24827 | 0.3 | RANDOM | 23.727 | |||
| 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] | |
| 2.14 | 2 | 0.39 | -0.47 | 0.13 | -2.76 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.592 |
| r_dihedral_angle_3_deg | 16.713 |
| r_dihedral_angle_4_deg | 15.414 |
| r_dihedral_angle_1_deg | 6.053 |
| r_scangle_it | 1.273 |
| r_angle_refined_deg | 1.246 |
| r_scbond_it | 0.69 |
| r_mcangle_it | 0.684 |
| r_symmetry_hbond_refined | 0.467 |
| r_mcbond_it | 0.365 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 9514 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 187 |
| Heterogen Atoms | 356 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| DENZO | data reduction |
| MOLREP | phasing |
| REFMAC | refinement |
| AUTOMAR | data reduction |
| SCALEPACK | data scaling |














