X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 288.0
Details 1.7 M (NH4)2SO4, 0.2 M Li2SO4, 4 % -butyrolactone, 0.1 M Tris pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 121.36 α = 90
b = 121.36 β = 90
c = 121.36 γ = 90
Symmetry
Space Group I 21 3

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MAR CCD 165 mm -- 2008-09-05
Diffraction Radiation
Monochromator Protocol
Bent Si (111) crystal SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON MAX II BEAMLINE I911-2 1.04 MAX_II I911-2

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
2.96 30 99.0 0.056 -- -- -- -- 6002 1.0 1.0 --
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)
2.96 3.03 99.1 0.653 -- 2.54 -- --

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 2.96 28.6 -- 1.0 5714 5714 617 99.17 0.26838 0.26838 0.26581 0.29235 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 2.96 3.032 -- -- 416 -- -- -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 73.164
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.119
r_dihedral_angle_1_deg 10.994
r_gen_planes_refined 0.007
r_scangle_it 0.964
r_dihedral_angle_2_deg 44.778
r_angle_refined_deg 1.96
r_dihedral_angle_4_deg 36.808
r_mcbond_it 0.253
r_dihedral_angle_3_deg 22.931
r_bond_refined_d 0.018
r_mcangle_it 0.458
r_scbond_it 0.609
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 931
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
MAR345dtb data collection
AMoRE phasing
REFMAC refinement version: 5.5.0109
XDS data reduction
XSCALE data scaling