X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.2
Details pH 4.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 55.59 α = 90
b = 65.21 β = 98.32
c = 42.15 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2000-09-15
Diffraction Radiation
Monochromator Protocol
OSMIC MIRRORS 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
2.08 19 86.5 0.0541 -- -- 2.0 -- 17304 -- -- 16.3
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)
2.08 2.15 86.5 0.198 -- 3.4 1.6 --

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 2.08 17.9 -- 0.0 -- 15515 1408 86.6 -- 0.188 0.188 0.228 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 2.08 2.21 -- 215 2083 0.241 0.272 0.019 77.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_dihedral_angle_d 25.5
c_angle_deg 1.3
c_improper_angle_d 0.68
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2582
Nucleic Acid Atoms 0
Heterogen Atoms 28
Solvent Atoms 96

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALA data scaling