X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details SEE REFERENCE 3, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.6 α = 90
b = 100.1 β = 90
c = 111.6 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 MARRESEARCH MIRRORS 1998-05-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.39 22 89.6 0.06 -- -- 2.9 -- 144474 -- -3.0 17.0
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)
1.39 1.44 76.0 0.747 -- 1.5 1.7 --

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
MOLECULAR REPLACEMENT 1.39 22.0 -- 2.0 -- 141915 5751 89.6 -- 0.212 0.212 0.23 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.0
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.4
x_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati Sigma A (Observed) 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5701
Nucleic Acid Atoms 0
Heterogen Atoms 6
Solvent Atoms 1012

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
CCP4 phasing
X-PLOR phasing
X-PLOR refinement version: 3.851