X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 277.0
Details Ammonium sulfate, pH 6, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 213.48 α = 90
b = 213.48 β = 90
c = 116.22 γ = 120
Symmetry
Space Group P 61 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1999-11-27
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL7-1 -- SSRL BL7-1

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
2.3 20 91.4 -- 0.04 -- 7.75 490274 63261 2.0 4.0 29.2
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)
2.3 2.38 59.7 -- 0.38 1.8 -- 4071

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 2.3 19.68 0.0 0.0 490274 63261 4846 91.4 -- 0.218 0.218 0.244 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 2.3 2.44 7823 317 5702 0.292 0.321 0.018 53.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.2
Anisotropic B[1][1] -5.98
Anisotropic B[1][2] 1.83
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.98
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 11.97
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.1
c_improper_angle_d 1.14
c_bond_d 0.006
c_angle_deg 1.3
c_mcangle_it 2.14
c_mcbond_it 1.3
c_scangle_it 2.94
c_scbond_it 1.97
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.29
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.32
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6716
Nucleic Acid Atoms 0
Heterogen Atoms 174
Solvent Atoms 461

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing