X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details CRYSTALS WERE GROWN USING THE SITTING DROP GEOMETRY AT 2 DEG. C. 5 UL OF 30 MG/ML P450 IN 50 MM TRIS HCL, 250 MM KCL, 0.5 MM CAMPHOR WERE MIXED WITH AN EQUAL VOLUME OF THE RESERVOIR SOLUTION (27-30% PEG 4000, 100 MM DTE, SAME BUFFER AS PROTEIN)., pH 7.40

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67 α = 90
b = 61.8 β = 90.2
c = 94.7 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 88
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS -- 1997-10-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X12C -- NSLS X12C

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
1.8 39 96.6 -- 0.092 -- 3.1 -- 69362 -- -- 22.0
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)
1.8 1.9 86.1 -- 0.388 2.2 2.4 --

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
OTHER 1.9 19.0 -- 0.0 -- 69362 4236 96.6 -- -- 0.174 0.248 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_planar_d 0.039
p_angle_d 0.033
p_bond_d 0.014
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6408
Nucleic Acid Atoms 0
Heterogen Atoms 121
Solvent Atoms 650

Software

Software
Software Name Purpose
REFMAC refinement
XDS data reduction
XSCALE data scaling