1KME

CRYSTAL STRUCTURE OF BACTERIORHODOPSIN CRYSTALLIZED FROM BICELLES


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1C3WPDB entry 1C3W

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP, Bicelle Method3.5310sodium phosphate, DMPC, Chapso, pH 3.5, VAPOR DIFFUSION, HANGING DROP, Bicelle Method, temperature 310.0K
Crystal Properties
Matthews coefficientSolvent content
2.4850.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45α = 90
b = 108.9β = 113.58
c = 55.9γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray110CCDADSC QUANTUM 42001-04-17MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X8C0.9795NSLSX8C

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
125092.80.10211.23.331440314405
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)
22.0762.50.263.2

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 1C3W241.243144031121161093.40.2630.2630.2630.275RANDOM14.8
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]
1.1-2.492.15-3.25
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d17.6
c_scangle_it2.14
c_scbond_it1.66
c_mcangle_it1.55
c_angle_deg1.2
c_mcbond_it1.1
c_improper_angle_d0.78
c_bond_d0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3514
Nucleic Acid Atoms
Solvent Atoms122
Heterogen Atoms104

Software

Software
Software NamePurpose
AMoREphasing
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling