X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 0.1M HEPES PH 7.5, 1.4M SODIUM CITRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.58 α = 90
b = 67.19 β = 119.86
c = 68.64 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 345 mm plate -- 2001-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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
1.9 12 98.7 0.096 -- -- 3.3 -- 42162 -- 0.0 19.45
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)
1.9 2.0 97.5 0.522 -- 2.0 2.9 --

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 1.9 12.0 -- 0.0 -- 42162 2112 98.7 -- 0.1861 0.1861 0.2057 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 1.9 1.97 -- 182 3955 0.2586 0.2801 0.0207 96.88
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.4043
Anisotropic B[1][1] 1.623
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.017
Anisotropic B[2][2] -3.129
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 1.506
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.125
c_improper_angle_d 0.832
c_bond_d 0.005
c_dihedral_angle_d 22.207
c_scangle_it 3.184
c_mcangle_it 2.003
c_angle_deg 1.189
c_mcbond_it 1.291
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3574
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 343

Software

Software
Software Name Purpose
CNS refinement version: 1.0
DENZO data reduction
SCALA data scaling
CNS phasing