X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8.5
Details 0.1 M CHES PH 8.5, 1.25 M NA CITRATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.11 α = 90
b = 50.11 β = 90
c = 47.13 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 2003-06-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 -- ESRF ID14-2

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 12 99.6 0.052 -- -- 6.8 -- 6611 -- -- --
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 1.9 100.0 0.472 -- 1.6 6.9 --

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
SIRAS 1.8 12.0 -- -- -- 6291 310 99.8 -- 0.2 0.198 0.239 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 1.8 1.85 -- 23 458 0.284 0.365 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 35.76
Anisotropic B[1][1] 1.34
Anisotropic B[1][2] 0.67
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.34
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.01
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 5.632
r_bond_refined_d 0.024
r_scangle_it 7.899
r_mcangle_it 3.207
r_gen_planes_refined 0.01
r_chiral_restr 4.483
r_mcbond_it 1.857
r_nbd_refined 0.226
r_symmetry_vdw_refined 0.153
r_angle_other_deg 1.502
r_xyhbond_nbd_refined 0.181
r_symmetry_hbond_refined 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 440
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 64

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
MOSFLM data reduction
SCALA data scaling