3L62

Crystal structure of substrate-free P450cam at low [K+]


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
otherStructure of P450cam complexed with a tethered substrate analog, unpublished

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.427912-22% PEG 8000, 0.05 M Tris, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 279K
Crystal Properties
Matthews coefficientSolvent content
2.3848.34

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 65.581α = 90
b = 73.546β = 90
c = 91.931γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 315rRh coated flat mirror2009-07-31MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL7-10.97946SSRLBL7-1

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
11.748.9599.80.06213.63.54949617.8
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)
1.71.7999.90.4172.93.67156

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 REPLACEMENTTHROUGHOUTStructure of P450cam complexed with a tethered substrate analog, unpublished1.71046706249499.640.191990.190310.22356RANDOM18.691
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]
0.7-0.17-0.53
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.321
r_dihedral_angle_4_deg17.082
r_dihedral_angle_3_deg13.581
r_dihedral_angle_1_deg5.236
r_scangle_it3.701
r_scbond_it2.229
r_mcangle_it1.398
r_angle_refined_deg1.377
r_mcbond_it0.758
r_chiral_restr0.088
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg35.321
r_dihedral_angle_4_deg17.082
r_dihedral_angle_3_deg13.581
r_dihedral_angle_1_deg5.236
r_scangle_it3.701
r_scbond_it2.229
r_mcangle_it1.398
r_angle_refined_deg1.377
r_mcbond_it0.758
r_chiral_restr0.088
r_bond_refined_d0.012
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3171
Nucleic Acid Atoms
Solvent Atoms313
Heterogen Atoms43

Software

Software
Software NamePurpose
MOLREPphasing
REFMACrefinement
MOSFLMdata reduction
SCALAdata scaling