X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details pH 8.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.21 α = 90
b = 52.23 β = 90
c = 96.45 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-09-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-21 1.5418 -- --

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
2.2 15 99.3 0.106 -- -- 7.3 -- 9988 -- -- --
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)
2.2 2.32 97.7 0.289 -- -- -- --

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 2.2 8.0 -- 0.0 -- 9954 -- 99.6 -- 0.195 0.195 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model INDIVIDUAL RESTRAINED
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_angle_deg 1.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1420
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 47

Software

Software
Software Name Purpose
X-PLOR refinement
MOSFLM data reduction
SCALA data scaling
X-PLOR phasing