X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.5
Details 20-25% PEG 5K MONOMETHYL ETHER, 0.2M CALCIUM CHLORIDE, 0.1M SODIUM CACODYLATE, HANGING DROP, pH 6.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 53.88 α = 90
b = 100.5 β = 94.55
c = 112.69 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- 1999-02-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 -- ESRF ID14-4

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
2.7 20 98.3 0.053 -- -- 2.6 -- 32446 -- -- --
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)
2.7 2.8 95.3 0.41 -- 2.3 2.3 --

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 2.7 19.84 -- -- -- 31345 1029 100.0 -- 0.219 0.217 0.281 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.7 2.77 -- 65 2190 0.32 0.493 -- --
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.309
r_metal_ion_refined 0.217
r_chiral_restr 0.12
r_gen_planes_refined 0.006
r_scangle_it 2.823
r_xyhbond_nbd_refined 0.187
r_symmetry_vdw_refined 0.416
r_bond_refined_d 0.018
r_mcbond_it 0.382
r_scbond_it 1.68
r_symmetry_hbond_refined 0.56
r_angle_other_deg 1.861
r_mcangle_it 0.806
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8440
Nucleic Acid Atoms 0
Heterogen Atoms 36
Solvent Atoms 26

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing