1H5I

X-ray induced reduction of horseradish peroxidase C1A Compound III (56-67% dose)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.520% (W/V) PEG 4000, 0.2 M CALCIUM ACETATE AND 0.1 M CACODYLATE BUFFER, PH 6.5
Crystal Properties
Matthews coefficientSolvent content
2.2545.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.318α = 90
b = 67.392β = 90
c = 117.467γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCHMIRRORS1999-09-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

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
11.633.990.20.0838.82.453885716.5
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)
11.61.6477.30.213.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 DIFFRACTIONOTHERTHROUGHOUT1.633.86388571938900.1910.1910.216RANDOM16.2
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]
-1.012.08-1.06
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.2
c_scangle_it2.2
c_scbond_it1.58
c_mcangle_it1.38
c_angle_deg1.2
c_improper_angle_d1.05
c_mcbond_it0.95
c_bond_d0.005
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d21.2
c_scangle_it2.2
c_scbond_it1.58
c_mcangle_it1.38
c_angle_deg1.2
c_improper_angle_d1.05
c_mcbond_it0.95
c_bond_d0.005
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 Atoms2369
Nucleic Acid Atoms
Solvent Atoms393
Heterogen Atoms57

Software

Software
Software NamePurpose
CNSrefinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing