9IN9
Structure of the viral channelrhodopsin OLPVR1 at low pH obtained by soaking
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 7AKY |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | LIPIDIC CUBIC PHASE | 8 | 293 | 100 mM Tris, 900 mM NaCl, and 24% (w/v) PEG 6000; Soaked: 100 mM sodium citrate pH 2.5, 900 mM NaCl, and 24% (w/v) PEG 6000 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.62 | 53.1 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 46.235 | α = 90 |
b = 115.755 | β = 90 |
c = 53.214 | 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 EIGER2 X CdTe 16M | 2022-10-06 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID23-1 | 0.8856 | ESRF | ID23-1 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | Rpim 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 | 1.41 | 33.42 | 92.8 | 0.025 | 0.999 | 13.1 | 4.9 | 36461 | 24.97 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1 | 1.41 | 1.55 | 75.9 | 0.952 | 0.316 | 0.8 | 6.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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) | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 7AKY | 1.41 | 33.42 | 1.34 | 36424 | 1781 | 64.55 | 0.1892 | 0.1877 | 0.1884 | 0.218 | 0.2175 | 31.74 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 15.7115 |
f_angle_d | 0.9312 |
f_chiral_restr | 0.0745 |
f_bond_d | 0.0082 |
f_plane_restr | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1900 |
Nucleic Acid Atoms | |
Solvent Atoms | 111 |
Heterogen Atoms | 220 |
Software
Software | |
---|---|
Software Name | Purpose |
MxCuBE | data collection |
XDS | data reduction |
STARANISO | data scaling |
PHASER | phasing |
PHENIX | refinement |