X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details 1.8M LITHIUM SULPHATE, 100MM TRIS/HCL (PH8.5), (5MM FERROUS SULPHATE, 70 MM ACOV, 50MG/ML IPNS), pH 7.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.5 α = 90
b = 71.25 β = 90
c = 100.99 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
ADSC QUANTUM4 ADSC TOROIDAL MIRROR 1999-06-17
Diffraction Radiation
Monochromator Protocol
DIAMOND SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
1.3 57.74 94.1 0.062 -- -- 4.0 -- 78124 -- -- 11.402
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)
1.3 1.37 70.6 0.3 -- 1.7 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 1.3 25.0 -- 0.0 -- 78022 3115 94.0 -- -- 0.185 0.199 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 14.053
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.007
p_angle_d 0.022
p_planar_d 0.057
p_mcbond_it 0.877
p_mcangle_it 1.319
p_scbond_it 1.405
p_scangle_it 2.146
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2645
Nucleic Acid Atoms 0
Heterogen Atoms 31
Solvent Atoms 446

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
RIGID BODY REFINEMENT Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
RIGID version: BODY REFINEMENT model building