X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN WAS CRYSTALLIZED IN 30% MPD, 100 MM CACL2, 200 MM PIPES BUFFER, PH 7.0, 295 K.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.83 α = 90
b = 78.83 β = 90
c = 52.07 γ = 120
Symmetry
Space Group P 3 1 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 140
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR XUONG-HAMLIN MULTIWIRE COLLIMATOR 1995-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
2.6 40 99.5 -- 0.064 -- 9.4 -- 5995 -- 2.0 24.4
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)
2.6 2.76 98.5 -- 0.19 3.8 4.8 --

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 2.6 10.0 -- 0.0 -- 5702 -- 99.5 -- 0.19 0.19 -- 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 2.6 2.76 -- -- 935 0.228 -- -- 98.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 24.8
Anisotropic B[1][1] -0.15
Anisotropic B[1][2] 0.22
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.15
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.3
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_mcbond_it 3.19
x_scbond_it 4.88
x_angle_deg 1.7
x_improper_angle_d 1.6
x_mcangle_it 4.84
x_dihedral_angle_d 25.0
x_scangle_it 7.17
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.24
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1336
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 56

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
SDMS data reduction
SDMS data scaling
X-PLOR phasing version: 3.1