1EHG

CRYSTAL STRUCTURES OF CYTOCHROME P450NOR AND ITS MUTANTS (SER286 VAL, THR) IN THE FERRIC RESTING STATE AT CRYOGENIC TEMPERATURE: A COMPARATIVE ANALYSIS WITH MONOOXYGENASE CYTOCHROME P450S


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 293.0
Details protein was crystallized from 100mM-Mes buffer, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.75 α = 90
b = 81.86 β = 90
c = 85.72 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS -- 1999-06-29
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 -- SPring-8 BL44B2

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.7 100 96.8 0.07 -- -- 5.8 246293 41636 -- 0.0 12.9
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.7 1.76 88.7 0.257 -- -- -- 3746

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
-- 1.7 10.0 -- 0.0 41574 41636 2105 96.8 0.193 0.193 0.193 0.223 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.006
x_angle_d 1.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3100
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 387

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.851
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing