1PXR

Structure of Pro50Ala mutant of Bacteriorhodopsin


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP3.5310sodium phosphate, hexanediol, DMPC, Chapso, pH 3.5, VAPOR DIFFUSION, HANGING DROP, temperature 310K
Crystal Properties
Matthews coefficientSolvent content
2.3347.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.967α = 90
b = 108.839β = 113.6
c = 55.981γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 42002-08-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 5.0.11.0ALS5.0.1

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
11.655085.4505355053519
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.651.7153.9

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTpdb entry 1C3W1.726.424787047870252888.40.2090.20720.20720.2455SHELLS19.8
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]
1.54-2.383.33-4.86
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d17.9
c_angle_deg1.1
c_improper_angle_d0.77
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3494
Nucleic Acid Atoms
Solvent Atoms124
Heterogen Atoms40

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing