Atomic resolution structure of viral channelrhodopsin OLPVR1 in a complex with calcium ion bound at the surface


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 9IN7 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE8293100 mM Tris, 900 mM NaCl, and 24% (w/v) PEG 6000 Soaking in: 100 mM Tris, 900 mM NaCl, 24% (w/v) PEG 6000, and 100 mM CaCl2
Crystal Properties
Matthews coefficientSolvent content
2.5251.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.454α = 90
b = 115.357β = 90
c = 53.498γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 X 16M2023-09-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID23-10.8856ESRFID23-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)Rpim I (All)CC (Half)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.4536.1886.40.0290.99811.64.83397420.69
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.451.6252.50.4490.6451.64.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.4535.081.3633960168465.970.17010.16860.16890.19740.197927.92
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]
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d15.2442
f_angle_d0.7648
f_chiral_restr0.0688
f_bond_d0.006
f_plane_restr0.0045
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1920
Nucleic Acid Atoms
Solvent Atoms131
Heterogen Atoms262

Software

Software
Software NamePurpose
autoPROCdata reduction
STARANISOdata scaling
PHASERphasing
PHENIXrefinement