X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.2
Details HANGING DROP, 22-26% PEG 8000, 200 MM AMMONIUM SULFATE, 100 MM CITRATE BUFFER, PH 5.2

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 108.55 α = 90
b = 55.78 β = 98.31
c = 123.68 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 1998-11-27
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7B -- EMBL/DESY, Hamburg BW7B

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
1.5 87.7 94.3 0.04 -- -- 9.45 -- 234572 -- -3.0 17.26
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)
1.58 1.62 84.7 0.415 -- 1.5 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
MIRAS 1.6 87.2 -- 0.0 -- 193516 19550 95.1 -- 0.162 0.162 0.189 SHELLS
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 1.6 1.66 -- 2632 14740 0.26 0.277 -- 90.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.88
Anisotropic B[1][1] -6.854
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.089
Anisotropic B[2][2] -0.645
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 7.499
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.37
c_mcangle_it 1.89
c_dihedral_angle_d 26.5
c_improper_angle_d 0.93
c_bond_d 0.009
c_angle_deg 1.479
c_scbond_it 2.1
c_scangle_it 2.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.1586
Luzzati Sigma A (Observed) 0.1785
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.1812
Luzzati Sigma A (R-Free Set) 0.1928
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10314
Nucleic Acid Atoms 0
Heterogen Atoms 525
Solvent Atoms 1754

Software

Software
Software Name Purpose
PHASES phasing
DM model building
CNS refinement version: 1.0
DENZO data reduction
SCALEPACK data scaling
DM phasing