3C63

Tetrameric Cytochrome cb562 (K34/H59/D62/H63/H73/A74/H77) Assembly Stabilized by Interprotein Zinc Coordination


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 2BC5PDB entry 2BC5

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.529312% PEG 400, 200 mM CaCl2, 100 mM TRIS, 1.25 mM ZnCl2, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.1643.14

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 47.966α = 90
b = 89.899β = 110.3
c = 49.688γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDAPEX II CCDmicrocapillary collimator2008-01-30MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODESIEMENS1.5418

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
11.755093.30.0760.07613.52.7639850371932212.2
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)
11.751.7882.10.510.511.981.14652

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 DIFFRACTIONTHROUGHOUTPDB entry 2BC51.7520.243985037193261893.30.2470.1990.247random13.487
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]
0.4210.149-0.287-0.134
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it3.31
c_scbond_it2.302
c_mcangle_it1.525
c_mcbond_it1.081
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3244
Nucleic Acid Atoms
Solvent Atoms545
Heterogen Atoms181

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
APEXdata collection
SAINTdata reduction
SAINTdata scaling
MOLREPphasing