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_special_tor 0.0
p_transverse_tor 20.0
p_staggered_tor 13.9
p_planar_tor 3.3
p_xyhbond_nbd 0.11
p_xhyhbond_nbd 0.5
p_multtor_nbd 0.285
p_bond_d 0.009
p_angle_d 0.022
p_planar_d 0.027
p_mcbond_it 1.85
p_mcangle_it 2.25
p_scbond_it 3.5
p_scangle_it 4.7
p_plane_restr 0.019
p_chiral_restr 0.096
p_singtor_nbd 0.169
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building