X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.1
Temperature 283.0
Details Ammonium Sulfate, MES, pH 6.1, VAPOR DIFFUSION, SITTING DROP, temperature 283K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 33.74 α = 90
b = 76.94 β = 90
c = 75.95 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRUKER SMART 6000 -- 2001-10-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54 -- --

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
2.4 30 100.0 -- 0.083 -- 9.9 4071 4071 2.0 0.0 30.0
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)
2.4 2.55 95.0 -- 0.297 15.1 -- 631

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 2.4 28.62 -- 0.0 4071 4071 415 99.6 -- -- 0.246 0.267 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 2.4 2.55 -- 67 564 0.332 0.365 0.045 95.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.3
Anisotropic B[1][1] 2.38
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.46
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.92
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 24.2
c_bond_d 0.015
c_scbond_it 2.48
c_mcangle_it 2.78
c_angle_deg 2.0
c_mcbond_it 1.69
c_scangle_it 3.88
c_improper_angle_d 0.77
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.32
Luzzati Sigma A (Observed) 0.34
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.41
Luzzati Sigma A (R-Free Set) 0.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 500
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 71

Software

Software
Software Name Purpose
DENZO data reduction
TRUNCATE data reduction
CNS refinement
CCP4 data scaling version: (TRUNCATE)
CNS phasing