3AQ6
Crystal structure of truncated hemoglobin from Tetrahymena pyriformis, Fe(III) form
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 7 | 293 | 2.0M ammonium citrate, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 4.51 | 72.75 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 69.567 | α = 90 |
| b = 69.567 | β = 90 |
| c = 354.311 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | P 65 2 2 |
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 315r | 2007-11-19 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PHOTON FACTORY BEAMLINE BL-5A | 1.0000 | Photon Factory | BL-5A |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.93 | 50 | 93.7 | 39669 | 37170 | -3 | |||||||||||||
| 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) | |||||||||||
| 1.93 | 1.96 | 98.6 | 0.368 | 2 | 7.3 | ||||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3AQ5 | 1.93 | 34.62 | 37507 | 35208 | 1887 | 93.87 | 0.21163 | 0.21163 | 0.20963 | 0.25107 | RANDOM | 44.494 | ||||
| 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] | |
| 0.16 | 0.08 | 0.16 | -0.24 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.483 |
| r_dihedral_angle_3_deg | 15.133 |
| r_dihedral_angle_1_deg | 6.158 |
| r_dihedral_angle_4_deg | 6.052 |
| r_scangle_it | 5.416 |
| r_scbond_it | 3.774 |
| r_angle_refined_deg | 2.596 |
| r_mcangle_it | 1.915 |
| r_mcbond_it | 1.191 |
| r_chiral_restr | 0.206 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1854 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 186 |
| Heterogen Atoms | 86 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| HKL-2000 | data collection |
| MOLREP | phasing |
| REFMAC | refinement |
| HKL-2000 | data reduction |
| HKL-2000 | data scaling |
