X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.6
Details CRYSTALS GROWN BY HANGING DROP METHOD. WELL CONTAINED 400-600 AMMONIUM ACETATE, 30-36% PEG4K, 100MM SODIUM ACETATE PH4.6. DROP CONTAINED 1:1 MIX OF WELL AND 16.5MG/ML TSMIF IN MINIMAL BUFFER., pH 4.60

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 110.13 α = 90
b = 88.34 β = 131.13
c = 86.36 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 1999-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-3 -- ESRF ID14-3

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
1.65 28 97.6 -- 0.057 -- 2.3 -- 72915 -- -- 26.9
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)
1.65 1.71 97.6 -- 0.281 2.5 2.2 --

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 1.65 28.33 -- 0.0 -- 72854 3687 97.4 -- 0.225 0.225 0.281 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 1.65 1.75 -- 607 11346 0.31 0.344 0.014 96.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 31.3
Anisotropic B[1][1] -3.19
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.43
Anisotropic B[2][2] 0.37
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.82
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.78
c_mcangle_it 2.74
c_scangle_it 5.1
c_dihedral_angle_d 24.9
c_angle_deg 1.4
c_bond_d 0.008
c_mcbond_it 2.12
c_scbond_it 3.79
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.24
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.3
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5134
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 1032

Software

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