4ZV2
An ancestral arginine-binding protein bound to glutamine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 4ZV1 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 277 | 0.2 M MgCl2, 0.1 M HEPES pH 7.5, 24% (w/v) PEG 3350, microseeds from crushed crystals produced using same precipitant |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.26 | 45.46 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 36.2 | α = 90 |
| b = 61.3 | β = 90 |
| c = 104.57 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 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 315r | 2014-02-06 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX2 | 0.9655 | Australian Synchrotron | MX2 |
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 | 1.43 | 36.2 | 99.7 | 0.178 | 9.2 | 12.7 | 43838 | ||||||||||||
| 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 | 1.43 | 1.45 | 96.7 | 1.871 | 1.5 | 9.7 | |||||||||||||
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 | 4ZV1 | 1.43 | 34.21 | 41372 | 2193 | 99.21 | 0.18293 | 0.18175 | 0.20487 | RANDOM | 15.311 | ||||||
| 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] | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 35.957 |
| r_dihedral_angle_4_deg | 18.745 |
| r_dihedral_angle_3_deg | 12.651 |
| r_dihedral_angle_1_deg | 6.293 |
| r_long_range_B_refined | 5.463 |
| r_long_range_B_other | 5.402 |
| r_scangle_other | 4.033 |
| r_scbond_it | 2.674 |
| r_scbond_other | 2.674 |
| r_mcangle_it | 2.453 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 1720 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 266 |
| Heterogen Atoms | 10 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| Aimless | data scaling |
| MOSFLM | data reduction |
| MOLREP | phasing |
