X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN AT 10MG/ML WELL BUFFER CONTAINING 17.5% PEG3350, 200MM HEPES, PH7.0, 100MM AMMONIUM ACETATE, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.32 α = 90
b = 71.54 β = 90
c = 72.55 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
IMAGE PLATE MARRESEARCH -- 1998-05-15
Diffraction Radiation
Monochromator Protocol
SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
1.85 32.35 88.8 0.096 -- -- 2.5 -- 21455 -- -- 15.9
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)
1.85 1.95 71.6 0.191 -- 4.7 2.1 --

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 1.85 32.35 -- 0.0 -- 21433 1057 87.6 -- -- 0.21 0.235 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 1.85 1.96 -- 154 2788 0.221 0.242 0.02 73.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.7
Anisotropic B[1][1] -0.07
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.81
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.74
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 2.33
c_bond_d 0.006
c_mcangle_it 2.2
c_improper_angle_d 0.85
c_dihedral_angle_d 22.4
c_mcbond_it 1.41
c_angle_deg 1.2
c_scangle_it 3.25
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) -0.02
Luzzati Resolution Cutoff (Low) 25.0
Luzzati ESD (R-Free Set) 0.24
Luzzati Sigma A (R-Free Set) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2248
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 200

Software

Software
Software Name Purpose
CNX refinement version: 2000.1
MOSFLM data reduction
SCALA data scaling
AMoRE phasing