2BHC
Na substituted E. coli Aminopeptidase P
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | AMINOPEPTIDASE P WAS DIALYSED AGAINST EGTA PRIOR TO CRYSTALLISATION. CRYSTALS WERE GROWN USING HANGING DROP VAPOR DIFFUSION AT 4C. RESERVOIR CONTAINED 26% MPD, 100 MM NA.CITRATE (PH 7.5) AND 200 MM MG.ACETATE. |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 5.6 | 77.9 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 138.783 | α = 90 |
| b = 138.783 | β = 90 |
| c = 231.012 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 41 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 | IMAGE PLATE | MARRESEARCH | OSMIC MIRRORS | 2004-10-28 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | ROTATING ANODE | RIGAKU RU200H | |||
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 | 2.4 | 60 | 98.8 | 0.07 | 20.8 | 5.5 | 43830 | -3 | 53.01 | ||||||||||
| 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) | |||||||||||
| 1 | 2.4 | 2.49 | 100 | 0.59 | 2.6 | 4.6 | |||||||||||||
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 | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1N51 STRIPPED OF MULTIPLE CONFORMERS, SOLVENT ATOMS AND HETERO COMPOUNDS | 2.4 | 60.19 | 41640 | 2132 | 98.7 | 0.177 | 0.176 | 0.202 | RANDOM | 44.83 | ||||||
| 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] | |
| 1.42 | 1.42 | -2.85 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.993 |
| r_dihedral_angle_4_deg | 17.016 |
| r_dihedral_angle_3_deg | 12.024 |
| r_dihedral_angle_1_deg | 6.143 |
| r_scangle_it | 4.349 |
| r_scbond_it | 2.634 |
| r_mcangle_it | 1.589 |
| r_angle_refined_deg | 1.141 |
| r_mcbond_it | 0.857 |
| r_angle_other_deg | 0.764 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3487 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 149 |
| Heterogen Atoms | 15 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
