X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details Orthorhombic crystals were grown by vapour diffusion from solutions of 20 % PEG 6K, 0.2 M ammonium sulphate in 0.1 M cacodylate buffer pH 6.5.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.3 α = 90
b = 188 β = 90
c = 193.4 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1998-12-01
Diffraction Radiation
Monochromator Protocol
SILICON CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, Hamburg X11

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
1.9 19 98.4 0.047 -- -- 3.1 -- 132348 -- -3.0 0.215
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)
1.9 1.93 92.4 0.327 -- 2.2 -- --

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 1.9 19.0 -- 0.0 -- 132346 6647 98.4 -- 0.204 0.204 0.259 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 0.327
RMS Deviations
Key Refinement Restraint Deviation
p_singtor_nbd 0.19
p_xyhbond_nbd 0.197
p_mcbond_it 1.9
p_chiral_restr 0.13
p_bond_d 0.013
p_angle_d 0.031
p_planar_tor 3.9
p_xhyhbond_nbd 0.197
p_scangle_it 3.2
p_multtor_nbd 0.25
p_mcangle_it 2.5
p_scbond_it 2.5
p_transverse_tor 36.1
p_staggered_tor 15.0
p_special_tor 0.0
p_planar_d 0.035
p_plane_restr 0.023
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10473
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 900

Software

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