X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 1.8M (NH4)2SO4, 100MM TRISHCL PH8.5, 100MM BISTRISHCL PH6.5, 60MM NACL, 4MM MGCL2, 5MM DTT., pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 133.61 α = 90
b = 133.61 β = 90
c = 344.47 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-08-15
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A 0.9740, 0.9791, 0.98 EMBL/DESY, Hamburg BW7A

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
2.6 38.99 99.6 -- 0.086 -- 4.6 -- 36704 -- -- 53.6
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)
2.6 2.74 98.1 -- 0.59 1.1 4.2 --

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
MAD 2.6 38.99 -- 0.0 -- 36704 1790 99.6 -- 0.201 0.201 0.226 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 2.6 2.76 -- 274 5691 0.302 0.325 0.02 98.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 49.9
Anisotropic B[1][1] -0.14
Anisotropic B[1][2] 4.14
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.14
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.29
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.4
c_scbond_it 3.1
c_mcbond_it 1.78
c_bond_d 0.006
c_mcangle_it 2.98
c_improper_angle_d 0.82
c_angle_deg 1.2
c_scangle_it 4.53
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4502
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 291

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
CNS phasing version: 0.9
SHARP phasing
CNS refinement version: 0.9