X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.3
Details AMMONIUMS SULFATE 2.0 M, TRIS HCL 100 MM, PH 8.2-8.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.28 α = 90
b = 82.44 β = 95.89
c = 101.17 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2000-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM30A -- ESRF BM30A

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
1.8 29.54 84.4 -- 0.086 -- 3.0 -- 86153 -- -- 22.19
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)
1.8 1.89 90.7 -- 0.331 2.7 2.6 --

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 1.8 29.54 -- 0.0 -- 81683 4320 84.3 -- -- 0.19831 0.24271 RANDOM SAME SET AS MAD STRUCTURE 1E3U
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.35
RMS Deviations
Key Refinement Restraint Deviation
p_scbond_it 2.66
p_xyhbond_nbd 0.125
p_planar_tor 5.7
p_staggered_tor 12.7
p_scangle_it 3.553
p_mcangle_it 1.363
p_multtor_nbd 0.227
p_planar_d 0.019
p_angle_d 0.018
p_plane_restr 0.0074
p_transverse_tor 32.3
p_singtor_nbd 0.17
p_bond_d 0.005
p_mcbond_it 0.91
p_chiral_restr 0.072
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7748
Nucleic Acid Atoms 0
Heterogen Atoms 104
Solvent Atoms 943

Software

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