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_scangle_it 2.823
r_scbond_it 1.68
r_mcangle_it 0.806
r_mcbond_it 0.382
r_nbd_refined 0.309
r_gen_planes_refined 0.006
r_chiral_restr 0.12
r_angle_other_deg 1.861
r_bond_refined_d 0.018
r_xyhbond_nbd_refined 0.187
r_metal_ion_refined 0.217
r_symmetry_vdw_refined 0.416
r_symmetry_hbond_refined 0.56
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC 5.0 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
AMORE model building