3HAQ

Crystal structure of bacteriorhodopsin mutant I148A crystallized from bicelles


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1hanging drop, bicelle method3.93102.2 M sodium phosphate, 180 mM 1,6-hexanediol, 3.5 % triethylene glycol, PFPC used as cryoprotectant, pH 3.9, hanging drop, bicelle method, temperature 310K
Crystal Properties
Matthews coefficientSolvent content
2.7455.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 44.998α = 90
b = 102.211β = 90
c = 127.97γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 3152008-04-14MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONALS BEAMLINE 8.2.11.00000ALS8.2.1

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
12.39094.30.1039.0483.712778
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)
12.32.3892.60.4422.71225

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT2.339.9412608101093.20.1820.1780.236RANDOM23.687
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]
0.01-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.415
r_dihedral_angle_4_deg15.941
r_dihedral_angle_3_deg14.664
r_dihedral_angle_1_deg5.191
r_scangle_it3.574
r_scbond_it2.585
r_angle_refined_deg2.233
r_mcangle_it1.502
r_mcbond_it0.92
r_nbtor_refined0.312
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.415
r_dihedral_angle_4_deg15.941
r_dihedral_angle_3_deg14.664
r_dihedral_angle_1_deg5.191
r_scangle_it3.574
r_scbond_it2.585
r_angle_refined_deg2.233
r_mcangle_it1.502
r_mcbond_it0.92
r_nbtor_refined0.312
r_symmetry_vdw_refined0.221
r_nbd_refined0.214
r_chiral_restr0.195
r_xyhbond_nbd_refined0.149
r_symmetry_hbond_refined0.079
r_bond_refined_d0.02
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1745
Nucleic Acid Atoms
Solvent Atoms68
Heterogen Atoms131

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction