X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Temperature 277.0
Details 22% PEG 8000 0.3M (NH4)2SO4 0.1M MOPS (PH 7.0) 4 DEG C, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 157.5 α = 90
b = 157.5 β = 90
c = 242.1 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 MIRRORS 1995-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MPG/DESY, HAMBURG BEAMLINE BW6 -- MPG/DESY, HAMBURG BW6

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
1.7 8 87.8 0.054 0.054 -- 3.0 -- 135354 -- 2.0 --
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)
1.73 1.87 66.0 0.054 0.245 2.0 2.0 --

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
MIR 1.7 10.0 -- 2.0 -- 135354 13520 87.8 -- 0.198 0.198 0.248 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 11.03
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.008
x_angle_deg 0.94
x_improper_angle_d 1.656
x_dihedral_angle_d 26.48
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1184
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 706

Software

Software
Software Name Purpose
MLPHARE phasing
SHELXS phasing
MOSFLM data reduction
CCP4 data scaling version: (ROTAVATA
AGROVATA) data scaling