X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.3
Details 18% 2-PROPANOL, 21% PEG 4000 AND 0.1 M NA CITRATE PH 5.3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.02 α = 90
b = 100.94 β = 123.76
c = 48.33 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 290
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-09-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LNLS BEAMLINE D03B-MX1 -- LNLS D03B-MX1

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 14.7 85.9 0.114 -- -- 2.9 -- 8166 -- -- 20.1
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)
2.4 2.51 89.6 0.264 -- -- -- --

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 14.66 -- 0.0 -- 8166 423 85.9 -- 0.201 0.201 0.255 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 2.51 -- 55 991 0.301 0.365 0.049 89.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.5
Anisotropic B[1][1] 1.18
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 11.25
Anisotropic B[2][2] -7.22
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.05
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 3.1
c_scbond_it 5.24
c_dihedral_angle_d 22.6
c_improper_angle_d 0.8
c_angle_deg 1.4
c_scangle_it 7.17
c_bond_d 0.007
c_mcangle_it 4.51
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.4
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.54
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1887
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 135

Software

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