X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3UONM2 muscarinic acetylcholine receptor (3UON)

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.529327-38% PEG 300, 100 mM HEPES pH 7.5, 1% (w/w) 1,2,3-heptanetriol, and 100 mM ammonium phosphate. Protein was reconstituted in cubic phase using a 10:1 monolein:cholesterol mix by weight, Lipidic cubic phase, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.6854.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.77α = 85.87
b = 61.31β = 89.9
c = 176.91γ = 84.9
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray78CCDMARMOSAIC 300 mm CCDmirrors2011-08-14MSINGLE WAVELENGTH
21x-ray78CCDMARMOSAIC 300 mm CCDmirrors2011-08-23
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D
2SYNCHROTRONAPS BEAMLINE 23-ID-D1.033APS23-ID-D

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
13.44090.60.2264.53.728385-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
13.43.585.90.5271.72.8

Refinement

Statistics
Diffraction IDStructure Solution 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 REPLACEMENTM2 muscarinic acetylcholine receptor (3UON)3.439.91.9826013127682.90.2540.2510.303
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]
-2.16982.01780.10596.5992-1.3222-4.4294
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d14.722
f_angle_d0.862
f_chiral_restr0.058
f_bond_d0.011
f_plane_restr0.003
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13435
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms154

Software

Software
Software NamePurpose
Blu-Icedata collection
PHASERphasing
PHENIXrefinement
HKL-2000data reduction
HKL-2000data scaling