X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details RESERVOIR: 1.5 M LI2SO4, 0.1 M HEPES PH 7.0, 7.5 MG/ML PROTEIN IN 0.02 M TRIS-HCL PH 7.0 0.001 M EDTA, 0.02 M NACL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 96.58 α = 90
b = 96.58 β = 90
c = 154.57 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH SAGITALLY FOCUSING 2ND CRYSTAL, MULTILAYER 2000-08-15
Diffraction Radiation
Monochromator Protocol
DIAMOND(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1

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
1.6 19.39 98.6 0.045 0.045 -- 3.1 -- 108500 -- -- 29.4
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)
1.6 1.69 97.9 0.331 0.331 1.9 2.8 --

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 1.6 19.96 -- 0.0 -- 105445 5271 98.6 -- -- 0.176 0.216 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.9
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 15.0
p_transverse_tor 23.6
p_staggered_tor 12.6
p_planar_tor 5.7
p_xyhbond_nbd 0.12
p_multtor_nbd 0.263
p_bond_d 0.015
p_angle_d 0.035
p_planar_d 0.037
p_mcbond_it 4.9
p_mcangle_it 5.8
p_scbond_it 6.5
p_scangle_it 7.9
p_chiral_restr 0.175
p_singtor_nbd 0.182
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4497
Nucleic Acid Atoms 0
Heterogen Atoms 40
Solvent Atoms 891

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building