Crystal structure of a pheromone binding protein from Apis mellifera soaked at pH 4.0
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 3BJH | PDB ENTRY 3BJH |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 4 | 293 | 1.9M ammonium sulfate, 0.1M sodium citrate, pH5.5, crystal was soaked in the same condition at pH4.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.97 | 58.53 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 79.146 | α = 90 |
| b = 83.53 | β = 90 |
| c = 47.361 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 2 2 21 |
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 | ADSC QUANTUM 4r | Tiroidal mirror | 2007-04-29 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE ID14-3 | 0.931 | ESRF | ID14-3 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 2 | 57.45 | 99.8 | 0.069 | 0.069 | 15.3 | 5 | 10923 | 10923 | 31.18 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
| 1 | 2 | 2.11 | 100 | 0.46 | 0.46 | 3.4 | 5 | 7880 | |||||||||||
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-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||
| X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | PDB ENTRY 3BJH | 2 | 40 | 9844 | 9844 | 1075 | 99.64 | 0.17382 | 0.17382 | 0.17068 | 0.1833 | 0.20315 | 0.2204 | RANDOM | 65.231 | ||
| 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] | |
| 0.57 | -0.36 | -0.2 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.899 |
| r_dihedral_angle_3_deg | 14.544 |
| r_dihedral_angle_4_deg | 10.633 |
| r_dihedral_angle_1_deg | 5.891 |
| r_scangle_it | 2.372 |
| r_scbond_it | 1.669 |
| r_angle_refined_deg | 1.3 |
| r_mcangle_it | 1.063 |
| r_angle_other_deg | 0.937 |
| r_mcbond_it | 0.888 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 899 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 75 |
| Heterogen Atoms | 19 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| ADSC | data collection |
| MOSFLM | data reduction |
| SCALA | data scaling |
| REFMAC | phasing |














