5K2D

1.9A angstrom A2a adenosine receptor structure with MR phasing using XFEL data


X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4EIY 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1LIPIDIC CUBIC PHASE529328 % (v/v) PEG 400, 40 mM sodium thiocyanate and 100 mM sodium citrate buffer pH 5.0
Crystal Properties
Matthews coefficientSolvent content
2.6152.79

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.36α = 90
b = 180.74β = 90
c = 142.8γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293PIXELCS-PAD CXI-1K-B mirrors2015-04-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERSLAC LCLS BEAMLINE CXI1.27SLAC LCLSCXI

Serial Crystallography

Sample delivery method
Diffraction IDDescriptionSample Delivery Method
1injection
Measurement
Diffraction IDPulse DurationPulse Repetition RateFocal Spot SizePulse EnergyPhotons Per Pulse
135 (fs)1201.59.8 (KeV)64000000000
Data Reduction
Diffraction IDFrames IndexedCrystal HitsFrames IndexedLatices Merged
17273523228372735
Injection
Diffraction IDDescriptionFlow RateInjector DiameterInjection PowerInjector NozzleFilter SizeCarrier Solvent
1220 (µl/min)undefined (µm)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)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
11.923.43710062914188241
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.921000.662

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4EIY1.923.441.334182819881000.1760.1740.207
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_d16.741
f_angle_d1.191
f_chiral_restr0.06
f_bond_d0.01
f_plane_restr0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3015
Nucleic Acid Atoms
Solvent Atoms93
Heterogen Atoms422

Software

Software
Software NamePurpose
PHENIXrefinement
CrystFELdata reduction
CrystFELdata scaling
PHASERphasing