Crystal structure of R. sphaeroides Photosynthetic Reaction Center variant; Y(M210)3-iodotyrosine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details | 
| experimental model | PDB | 2J8C | |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details | 
| 1 | VAPOR DIFFUSION, HANGING DROP | 8 | 293 | 1 M potassium phosphate, 3.5% 1,2,3-heptanetriol, and 0.1% LDAO precipitant solution; 1.4-1.5 M potassium phosphate reservoir solution, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K | 
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content | 
| 5.66 | 78.25 | 
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) | 
| a = 141.414 | α = 90 | 
| b = 141.414 | β = 90 | 
| c = 186.502 | γ = 120 | 
| Symmetry | |
|---|---|
| Space Group | P 31 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 | 250 | PIXEL | DECTRIS PILATUS 6M | 2017-08-11 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline | 
| 1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | 0.97946 | SSRL | BL9-2 | 
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | 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 | 2.85 | 38.95 | 99.9 | 0.116 | 0.126 | 0.998 | 12.18 | 6.711 | 50807 | 72.806 | |||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||
| 1 | 2.85 | 2.92 | 100 | 1.287 | 1.391 | 0.582 | 1.61 | 6.964 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | 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 | 2.85 | 38.95 | 48339 | 2495 | 99.88 | 0.1814 | 0.1802 | 0.1874 | 0.205 | 0.2086 | RANDOM | 68.929 | |||||
| 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] | |
| 0.1 | 0.05 | 0.1 | -0.31 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation | 
| r_dihedral_angle_2_deg | 31.152 | 
| r_dihedral_angle_4_deg | 17.832 | 
| r_dihedral_angle_3_deg | 16.208 | 
| r_dihedral_angle_1_deg | 7.097 | 
| r_angle_refined_deg | 2.209 | 
| r_angle_other_deg | 1.148 | 
| r_chiral_restr | 0.067 | 
| r_bond_refined_d | 0.007 | 
| r_gen_planes_refined | 0.006 | 
| r_gen_planes_other | 0.003 | 
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number | 
| Protein Atoms | 6451 | 
| Nucleic Acid Atoms | |
| Solvent Atoms | 184 | 
| Heterogen Atoms | 617 | 
Software
| Software | |
|---|---|
| Software Name | Purpose | 
| REFMAC | refinement | 
| XSCALE | data scaling | 
| PDB_EXTRACT | data extraction | 
| XDS | data reduction | 
| MOLREP | phasing | 














