X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5
Temperature 277.0
Details PEG 8000, potassium succinate, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.48 α = 90
b = 82.75 β = 97.83
c = 70.64 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM -- 1998-01-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL1-5 -- SSRL BL1-5

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 20 95.0 0.06 -- -- 3.6 59400 16500 4.0 2.0 43.3
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 2.67 95.0 0.3 -- -- 3.4 1800

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
-- 2.6 20.1 0.0 0.0 59400 16569 1296 95.1 0.26 0.257 0.257 0.299 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 -- 230 2629 0.31 0.371 0.024 99.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 58.7
Anisotropic B[1][1] -4.32
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.73
Anisotropic B[2][2] -2.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 6.51
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 20.2
c_improper_angle_d 0.6
c_bond_d 0.006
c_mcangle_it 5.09
c_scangle_it 6.94
c_angle_deg 1.1
c_mcbond_it 3.46
c_scbond_it 5.22
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.37
Luzzati Sigma A (Observed) 0.27
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.45
Luzzati Sigma A (R-Free Set) 0.45
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4044
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 62

Software

Software
Software Name Purpose
SHARP phasing
CNS refinement version: 0.4
MOSFLM data reduction
CCP4 data scaling version: (SCALA)