X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.81 α = 90
b = 69.81 β = 90
c = 184.95 γ = 90
Symmetry
Space Group I 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-12
Diffraction Radiation
Monochromator Protocol
-- --
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
2.4 18.5 97.8 -- 0.073 -- 4.8 -- 9076 -- 0.0 42.4
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)
2.4 2.47 98.6 -- 0.248 2.9 4.9 --

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 2.4 18.5 -- 0.0 -- 9076 909 97.8 -- 0.214 0.214 0.275 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.6
RMS Deviations
Key Refinement Restraint Deviation
x_mcangle_it 2.29
x_improper_angle_d 1.18
x_mcbond_it 1.9
x_angle_deg 1.2
x_dihedral_angle_d 19.9
x_bond_d 0.007
x_scbond_it 2.49
x_scangle_it 2.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1539
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 28

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
MOSFLM data reduction
CCP4 data scaling
X-PLOR phasing version: 3.1