X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details HANGING DROP VAPOR DIFFUSION: DROPS MADE UP OF 3MICROL OF PROTEIN (3.5 MG/ML) IN 20 MM TRIS PH 7.4 AND 3 MICROL OF PRECIPITANT SOLUTION COMPOSED OF 0.92 M AMMONIUM SULFATE, 0.4% CDSO4 AND 3 MM NAN3

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 180.82 α = 90
b = 180.82 β = 90
c = 180.82 γ = 90
Symmetry
Space Group F 4 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH COLLIMATOR 1999-05-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE NONIUS -- -- --

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
1.6 20 95.7 -- 0.071 -- 4.9 -- 32400 -- -- 11.83
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)
1.6 1.64 83.8 -- 0.38 1.9 4.4 --

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 1.6 14.0 -- 0.0 -- 32339 1637 95.7 -- -- 0.16 0.22 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 13.0
RMS Deviations
Key Refinement Restraint Deviation
p_staggered_tor 13.9
p_xyhbond_nbd 0.11
p_planar_d 0.027
p_scbond_it 3.5
p_transverse_tor 20.0
p_multtor_nbd 0.285
p_plane_restr 0.019
p_angle_d 0.022
p_singtor_nbd 0.169
p_bond_d 0.009
p_mcangle_it 2.25
p_xhyhbond_nbd 0.5
p_mcbond_it 1.85
p_scangle_it 4.7
p_chiral_restr 0.096
p_planar_tor 3.3
p_special_tor 0.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1340
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 293

Software

Software
Software Name Purpose
REFMAC refinement
MOSFLM data reduction
SCALA data scaling
AMoRE phasing