Crystal structure of a RNA binding motif protein 39 (RBM39) from Homo sapiens at 1.28 A resolution
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2CQ4 | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, SITTING DROP | 293 | 20% polyethylene glycol 3350, 0.20M sodium fluoride, 1mM RNA-6b UAAUAA | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.96 | 37.39 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 86.574 | α = 90 |
| b = 26.711 | β = 90 |
| c = 35.015 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 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 | PIXEL | DECTRIS PILATUS 6M | Flat mirror (vertical focusing); single crystal Si(111) bent monochromator (horizontal focusing) | 2013-11-14 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SSRL BEAMLINE BL11-1 | 1.0 | SSRL | BL11-1 |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym I (Observed) | Rrim I (All) | Rpim I (All) | 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 | 1.28 | 32.461 | 92.2 | 0.023 | 0.027 | 0.013 | 27.7 | 3.9 | 20012 | 20012 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Rrim I (All) | Rpim I (All) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
| 1 | 1.28 | 1.35 | 63 | 0.285 | 0.285 | 0.355 | 0.205 | 2.7 | 2.3 | 1948 | |||||||||
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free (DCC) | R-Free Selection Details | Mean Isotropic B | ||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2CQ4 | 1.28 | 32.461 | 19974 | 1038 | 92.11 | 0.1487 | 0.1463 | 0.15 | 0.1942 | 0.19 | RANDOM | 21.6503 | ||||
| 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] | |
| -0.54 | -0.89 | 1.43 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 26.951 |
| r_dihedral_angle_4_deg | 16.028 |
| r_dihedral_angle_3_deg | 10.413 |
| r_sphericity_free | 8.26 |
| r_scangle_it | 6.737 |
| r_scbond_it | 4.776 |
| r_dihedral_angle_1_deg | 4.455 |
| r_mcangle_it | 4.45 |
| r_sphericity_bonded | 4.145 |
| r_mcbond_it | 2.968 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 666 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 117 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| PDB_EXTRACT | data extraction |
| PHASER | phasing |
| REFMAC | refinement |
| XDS | data reduction |
| XSCALE | data scaling |
| SCALA | data scaling |














