X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4
Details pH 4.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.4 α = 90
b = 94.4 β = 90
c = 230.99 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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
1.85 12 91.4 0.056 -- -- 6.3 -- 62663 -- -- 15.3
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)
1.85 1.88 89.6 0.245 -- 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 1.85 12.0 -- 0.0 62658 62658 -- 91.1 -- -- 0.142 0.181 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.6
RMS Deviations
Key Refinement Restraint Deviation
p_planar_tor 3.8
p_angle_d 0.03
p_multtor_nbd 0.26
p_plane_restr 0.023
p_staggered_tor 12.9
p_mcangle_it 2.27
p_planar_d 0.036
p_xyhbond_nbd 0.138
p_transverse_tor 33.9
p_scangle_it 3.49
p_bond_d 0.015
p_chiral_restr 0.154
p_singtor_nbd 0.17
p_mcbond_it 1.61
p_scbond_it 2.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5210
Nucleic Acid Atoms 0
Heterogen Atoms 92
Solvent Atoms 636

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
REFMAC refinement