X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details MES 0.1M PH 6.5, PEG MME 30%, 10MM ZINC SULFATE, 5% GLYCEROL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.05 α = 90
b = 100.05 β = 90
c = 149.67 γ = 120
Symmetry
Space Group P 64 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- --
-- -- -- 2000-05-15
Diffraction Radiation
Monochromator Protocol
-- --
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 -- ESRF ID14-1
SYNCHROTRON ESRF BEAMLINE BM30A -- ESRF BM30A

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
2.13 25 99.7 0.043 -- -- 4.9 -- 25043 -- -- 36.4
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)
2.13 2.2 99.7 0.315 -- 2.3 4.9 --

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
MAD 2.13 25.0 -- 0.0 -- 25292 2504 99.3 -- 0.239 0.239 0.284 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 2.13 2.26 -- 402 3728 0.294 0.326 0.016 100.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.8
Anisotropic B[1][1] 7.03
Anisotropic B[1][2] 6.17
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 7.03
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -14.06
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.75
c_scbond_it 1.9
c_mcangle_it 2.14
c_mcbond_it 1.28
c_improper_angle_d 0.84
c_bond_d 0.009
c_angle_deg 1.5
c_dihedral_angle_d 19.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.28
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2618
Nucleic Acid Atoms 0
Heterogen Atoms 194
Solvent Atoms 186

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
SOLVE model building