X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.82 α = 90
b = 72.59 β = 90
c = 34.32 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1994-04-26
Diffraction Radiation
Monochromator Protocol
Y --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A -- PHOTON FACTORY BL-6A

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
1.7 30 80.2 0.071 -- -- 3.95 -- 11127 -- -3.0 --

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 1.72 6.0 -- 2.0 -- 8479 -- -- -- 0.15 0.15 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 27.46
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_dihedral_angle_d 19.4
x_improper_angle_d 1.37
x_angle_deg 1.34
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.15
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 920
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 116

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement