X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 40MG/ML PROTEIN IN 10MM TRIS HCL, PH 8.5, MICRODIALYSED AGA AT 6 DEGREES CELSIUS

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 85.18 α = 90
b = 99.5 β = 90
c = 103.05 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 288
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH PINHOLE 1997-03-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.62 15 95.3 0.063 0.063 -- 3.87 -- 25558 -- -3.0 42.6
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)
2.62 2.78 72.7 0.25 0.25 5.29 3.4 --

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
MOLECULAR REPLACEMENT 2.62 10.0 -- 1.0 -- 23181 2252 87.8 -- -- 0.194 0.264 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 2.62 2.78 -- 321 2835 0.297 0.351 0.02 72.7
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.5
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 2.0
x_bond_d 0.012
x_improper_angle_d 2.28
x_dihedral_angle_d 23.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 10.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.35
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5281
Nucleic Acid Atoms 0
Heterogen Atoms 10
Solvent Atoms 112

Software

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