Crystal structure of Rab9 complexed to GDP reveals a dimer with an active conformation of switch II
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1KY3 | PDB entry 1ky3 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 295 | PEG8000, Na-benzoate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.17 | 48.7 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 98.245 | α = 90 |
| b = 98.245 | β = 90 |
| c = 79.66 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | I 41 |
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 | MARRESEARCH | 2003-01-20 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | EMBL/DESY, HAMBURG BEAMLINE BW7A | 1.0091 | EMBL/DESY, HAMBURG | BW7A |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 1.77 | 30 | 99.9 | 0.053 | 24.8 | 3.8 | 37662 | 22.8 | |||||||||||
| 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) | |||||||||||
| 1.77 | 1.83 | 99.9 | 0.0691 | 2.5 | 3.8 | 3752 | |||||||||||||
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-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | PDB entry 1ky3 | 1.77 | 30 | 35770 | 35770 | 1825 | 99.9 | 0.1646 | 0.16 | 0.2213 | 0.21 | keep twin-related reflection in same set | 30 | ||||
| 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 4 | 2550 | 3027.5 |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_similar_adp_cmpnt | 0.08 |
| s_non_zero_chiral_vol | 0.039 |
| s_zero_chiral_vol | 0.033 |
| s_from_restr_planes | 0.0255 |
| s_angle_d | 0.023 |
| s_anti_bump_dis_restr | 0.017 |
| s_bond_d | 0.007 |
| s_similar_dist | |
| s_rigid_bond_adp_cmpnt | |
| s_approx_iso_adps | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2712 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 231 |
| Heterogen Atoms | 96 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| SHELXL-97 | refinement |
| DENZO | data reduction |
| SCALEPACK | data scaling |
| COMO | phasing |














