X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 3A7KPDB ENTRY 3A7K

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP9288Crystallization: 3.5 mg/ml halorhodopsin, 5mg/ml nonylglucoside, 2.8M ammonium sulfate, 0.1 M glycine, 0.1M NaCl Post-crystallization soaking: 0.4 M Sodium Nitrate, 3 M ammonium sulfate, 0.1 M Hepes (pH7), 30% trehalose, pH 9.0, VAPOR DIFFUSION, SITTING DROP, temperature 288K
Crystal Properties
Matthews coefficientSolvent content
3.2161.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 150.75α = 90
b = 100.03β = 127.23
c = 99.33γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315mirrors2010-04-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL26B21.0SPring-8BL26B2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
12.25096.30.0890.0899.83.8594775727734
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.3296.30.610.5311.33.97058

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 3A7K2.2155941457097288596.10.2620.2520.267RANDOM39.2004
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]
6.99910.939-8.2391.24
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d18.593
c_angle_d1.16316
c_improper_angle_d0.79991
c_bond_d0.006704
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5877
Nucleic Acid Atoms
Solvent Atoms136
Heterogen Atoms138

Software

Software
Software NamePurpose
ADSCdata collection
CNSrefinement
MOSFLMdata reduction
SCALAdata scaling
CNSphasing