4LHZ
Crystal structure of GTP-bound Rab8:Rabin8
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1YZQ | PDB ENTRY 1YZQ |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 6.6 | 293 | Nucleotide-free Rab8a1 184:Rabin8157-232 was crystallized in 18% (w/v) PEG3350, 0.1 M Li2SO4, 0.1 M MES pH 6.6. Before data collection, the complex crystal was protected with cryo solution (30% (w/v) PEG3350, 0.1 M Li2SO4, 0.1 M MES pH 6.6). In order to produce nucleotide-bound forms of Rab8:Rabin8 complexes, the nucleotide-free Rab8:Rabin8 crystals were soaked with cryo solution containing 30 % (w/v) PEG3350, 0.1 M Li2SO4, 0.1 M MES pH 6.6 and 1 mM respective nucleotide GDP/GTP for one hours at 278 K, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 3.59 | 65.73 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 81.337 | α = 90 |
| b = 165.561 | β = 90 |
| c = 167.263 | 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 | MARMOSAIC 225 mm CCD | 2009-05-01 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SLS BEAMLINE X10SA | 1.0000 | SLS | X10SA |
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 | 3.2 | 20 | 99.4 | 19050 | 18932 | 9.9 | 9.54 | ||||||||||||
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 1YZQ | 3.2 | 19.99 | 17905 | 954 | 99.53 | 0.27918 | 0.27761 | 0.30877 | RANDOM | 92.122 | ||||||
| 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] | |
| 4.28 | 2.11 | -6.39 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 39.704 |
| r_dihedral_angle_3_deg | 23.436 |
| r_dihedral_angle_4_deg | 21.853 |
| r_dihedral_angle_1_deg | 7.52 |
| r_angle_other_deg | 4.439 |
| r_scangle_it | 3.415 |
| r_scbond_it | 2.118 |
| r_mcangle_it | 1.995 |
| r_angle_refined_deg | 1.639 |
| r_mcbond_it | 1.095 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 4735 |
| Nucleic Acid Atoms | |
| Solvent Atoms | |
| Heterogen Atoms | 64 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| MOSFLM | data reduction |
| PHASES | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| SCALEPACK | data scaling |
