2QBL

Crystal structure of ferric G248T cytochrome P450cam


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.42771 UL OF 15 MG/ML P450 IN 50 MM Potassium phosphate, 250 MM KCL WERE MIXED WITH AN EQUAL VOLUME OF THE RESERVOIR SOLUTION (100 mM Tris, 250 mM KCl, 27-30% PEG 8000, 100 MM DTE), pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.3146.73

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 64.09α = 90
b = 64.59β = 90
c = 106.26γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 4toroidal mirror2004-07-23MSINGLE WAVELENGTH
21
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-20.93ESRFID14-2

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.82099.70.04719.54.44148541485-3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.81.999.80.3814.44.56120

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 DIFFRACTIONFOURIER SYNTHESISTHROUGHOUTPDB entry 1akd1.8204148541485207599.80.2190.264random24.264
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]
-4.567-0.5225.09
RMS Deviations
KeyRefinement Restraint Deviation
c_scangle_it2.303
c_scbond_it1.903
c_angle_d1.64
c_mcangle_it1.372
c_mcbond_it0.958
c_bond_d0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3210
Nucleic Acid Atoms
Solvent Atoms371
Heterogen Atoms55

Software

Software
Software NamePurpose
CNSrefinement
PDB_EXTRACTdata extraction
XDSdata reduction
XSCALEdata scaling
CNSphasing