X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.3
Details pH 6.3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 72.89 α = 90
b = 71.91 β = 98.31
c = 88.25 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS II SUPER LONG MIRRORS (SIEMENS) 1994-11-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE(RIGAKU), SUPPER LONG MIRRORS (SIEMENS) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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 43.6 99.6 0.106 -- -- 10.4 -- 30460 -- -- 13.6
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)
2.0 2.05 98.5 0.547 -- 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 2.0 44.0 -- 0.0 -- 30460 3024 99.6 -- 0.196 0.196 0.256 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 2.0 2.05 -- 203 1811 0.318 0.382 0.027 98.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.4
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 4.44
x_scbond_it 3.17
x_angle_deg 1.8
x_dihedral_angle_d 28.0
x_mcangle_it 2.81
x_improper_angle_d 1.57
x_mcbond_it 1.74
x_bond_d 0.01
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.25
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.32
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3497
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 120

Software

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