X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 19% PEG 8K, 20% GLYCEROL, 200MM MG(CH3COO)2, 10MM CDS04 100MM BISTRIS PH 6.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 158.9 α = 90
b = 49.33 β = 108.74
c = 145 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH WIGGLER 1996-11
Diffraction Radiation
Monochromator Protocol
MONOCHROMATOR --
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
2.1 20 98.5 -- 0.044 -- 6.7 -- 63217 -- 2.0 33.7
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)
2.1 2.17 95.4 -- 0.27 2.4 2.6 --

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 2.1 20.0 -- 2.0 -- 49380 4197 98.5 -- 0.229 0.229 0.292 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 2.1 2.2 -- 473 4049 0.245 0.355 -- 95.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.4
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.383
x_dihedral_angle_d 30.6
x_improper_angle_d 0.749
x_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6902
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 274

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building version: 3.851
X-PLOR refinement version: 3.851
X-PLOR phasing version: 3.851