X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
Temperature 277.0
Details PEG 8000, TRIS.HCL, AMMONIUM ACETATE, MAGNESIUM CHLORIDE, POTASSIUM CHLORIDE, SODIUM CITRATE, DTT, GLYCEROL, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 118.45 α = 90
b = 122.3 β = 113.08
c = 140.22 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
CCD ADSC QUANTUM 4 -- 1998-05-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE F2 -- CHESS F2

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
2.65 50 97.5 0.057 -- -- 3.98 101892 101892 0.0 0.0 33.1
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)
2.65 2.71 85.4 0.341 -- -- 2.25 --

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
-- 2.65 50.0 -- 2.0 99505 95770 4854 91.0 0.237 0.231 0.229 0.26 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 2.65 2.82 -- 541 9900 0.346 0.37 0.016 58.9
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 49.0
Anisotropic B[1][1] -2.14
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 7.48
Anisotropic B[2][2] 4.49
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.35
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.28
c_angle_deg 1.6
c_mcangle_it 2.09
c_dihedral_angle_d 23.0
c_bond_d 0.013
c_scbond_it 2.29
c_improper_angle_d 1.35
c_scangle_it 3.44
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.37
Luzzati Sigma A (Observed) 0.46
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.52
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 15210
Nucleic Acid Atoms 3660
Heterogen Atoms 0
Solvent Atoms 329

Software

Software
Software Name Purpose
AMoRE phasing
CNS refinement version: 0.4
DENZO data reduction
SCALEPACK data scaling