1EA1

Cytochrome P450 14 alpha-sterol demethylase (CYP51) from Mycobacterium tuberculosis in complex with fluconazole


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1E9XPDB ENTRY 1E9X

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.520% PEG 4000, 10% ISOPROPANOL, 0.1 M HEPES, PH=7.5, 4-PHENYLIMIDAZOLE IN SATURATING CONCENTRATION FLUCONAZOLE WAS INTRODUCED INTO THE BINDING SITE BY REPLACEMENT OF 4-PHENYLIMIDAZOLE USING CRYSTAL SOAKING PROCEDURE., pH 7.50
Crystal Properties
Matthews coefficientSolvent content
2.0438

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 46.186α = 90
b = 84.258β = 90
c = 109.754γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATERIGAKU IMAGE PLATEMIRROR2000-07-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
12.240950.1039.72.93724224.6
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)
12.22.2884.90.46522.2

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 REPLACEMENTTHROUGHOUTPDB ENTRY 1E9X2.213837205361589.30.2040.2040.249RANDOM32.8
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]
2.992.66-5.66
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d20.7
c_scangle_it2.9
c_mcangle_it2.29
c_scbond_it1.93
c_mcbond_it1.37
c_angle_deg1.3
c_improper_angle_d0.81
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d20.7
c_scangle_it2.9
c_mcangle_it2.29
c_scbond_it1.93
c_mcbond_it1.37
c_angle_deg1.3
c_improper_angle_d0.81
c_bond_d0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3509
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms65

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing