X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Temperature 277.0
Details 6 MG/ML AR, 2.5% PEG 6000, 25 MM MESPH 6.2 (DROP), 20% PEG 6000, 25 MM MESPH 6.2 (RESERVOIR) , VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.81 α = 90
b = 68.81 β = 90
c = 154.77 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-03-08
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON LURE BEAMLINE DW32 -- LURE DW32

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
2.2 15 98.1 0.086 0.086 -- 5.0 20372 19184 6.0 3.0 37.1
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)
2.2 2.3 97.5 0.245 0.245 3.1 2.5 --

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 2.2 8.0 1.0 2.0 20372 18338 1801 95.6 0.221 0.216 0.216 0.273 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 2.2 2.3 -- 240 1950 0.355 0.394 0.025 93.2
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 42.4
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 4.82
x_scbond_it 3.33
x_mcangle_it 3.12
x_mcbond_it 1.98
x_improper_angle_d 0.72
x_dihedral_angle_d 27.8
x_angle_deg 1.4
x_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.4
Luzzati Resolution Cutoff (Low) 8.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.42
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2523
Nucleic Acid Atoms 0
Heterogen Atoms 75
Solvent Atoms 71

Software

Computing
Computing Package Purpose
XDS Data Reduction (intensity integration)
MARSCALE Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
X-PLOR model building