1X0K

Crystal Structure of Bacteriorhodopsin at pH 10


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1IW6PDB ENTRY 1IW6

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP10300ammonium sulfate, pH 10.00, VAPOR DIFFUSION, SITTING DROP, temperature 300K
Crystal Properties
Matthews coefficientSolvent content
3.1953

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 102.45α = 90
b = 102.45β = 90
c = 112.81γ = 120
Symmetry
Space GroupP 6 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDRIGAKU JUPITER 210MIRRORS2004-11-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSPRING-8 BEAMLINE BL38B11.0SPring-8BL38B1

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
12.641.3497.90.0980.0986.77.311202984549.2
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)
12.72.8599.40.4290.4291.88.21431

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1IW62.614.96112391114557299.20.2630.309RANDOM53.93
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]
12.649.4612.64-25.29
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d19
c_improper_angle_d1.23
c_angle_deg1.1
c_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1756
Nucleic Acid Atoms
Solvent Atoms43
Heterogen Atoms289

Software

Software
Software NamePurpose
CNSrefinement
MOSFLMdata reduction
CCP4data scaling
XTALVIEWrefinement