X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 13-16% MPEG 5000, 100MM IMIDAZOLE MALATE, PH8.5, pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.19 α = 90
b = 87.33 β = 90
c = 210.54 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 1999-10-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.7 20 95.2 -- 0.112 -- 4.66 -- 26811 -- -- 59.53
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)
2.7 2.78 97.6 -- 0.374 2.9 5.0 --

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 2.7 20.0 -- 2.0 -- 24298 1192 84.5 -- 0.215 0.215 0.278 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.7 2.74 -- 42 819 0.3132 0.348 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 45.5
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.0074
c_angle_deg 1.423
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.34
Luzzati Resolution Cutoff (Low) 6.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6936
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 112

Software

Software
Software Name Purpose
CNS refinement version: 1.0
HKL data reduction
SCALEPACK data scaling
AMoRE phasing