4YKF
Crystal Structure of the Alkylhydroperoxide Reductase subunit F (AhpF) with NADH from Escherichia coli
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4O5Q | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | 0.1 M Na-Hepes, 2.5 % (v/v) PEG 400, 2 M ammonium sulfate, 10 mM cadmium chloride |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.2 | 61.51 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 107.09 | α = 90 |
| b = 59.39 | β = 111.34 |
| c = 121.35 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 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 | ADSC QUANTUM 315 | mirrors | 2014-03-20 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | NSRRC BEAMLINE BL13B1 | 0.9789 | NSRRC | BL13B1 |
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 | 49.87 | 92.3 | 0.08 | 10.3 | 3.3 | 22917 | ||||||||||||
| 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 | 2.5 | 2.6 | 85.1 | 0.313 | 3.5 | 3.4 | |||||||||||||
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 | 4O5Q | 2.5 | 30 | 21672 | 1168 | 91.9 | 0.228 | 0.225 | 0.288 | RANDOM | 40.56 | ||||||
| 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] | |
| -0.46 | 0.37 | -2.93 | 2.49 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 36.565 |
| r_dihedral_angle_3_deg | 17.7 |
| r_dihedral_angle_4_deg | 15.741 |
| r_dihedral_angle_1_deg | 7.247 |
| r_mcangle_it | 3.345 |
| r_mcbond_it | 2.084 |
| r_mcbond_other | 2.081 |
| r_angle_refined_deg | 1.676 |
| r_angle_other_deg | 0.818 |
| r_chiral_restr | 0.086 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 3947 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 142 |
| Heterogen Atoms | 187 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DENZO | data collection |
| SCALA | data scaling |
| PHASER | phasing |
| PDB_EXTRACT | data extraction |
| MOSFLM | data reduction |
