X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details AMMONIUM SULPHATE 2M, MES 0.1M, DIOXANE 2-3%, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.31 α = 90
b = 138.31 β = 90
c = 206.67 γ = 120
Symmetry
Space Group H 3 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CHESS 80MM -- 1999-05-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 -- ESRF BM14

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
2.2 30 98.0 0.074 -- -- 4.18 -- 37958 -- -- --
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)
2.2 2.25 98.6 0.363 -- -- -- --

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 2.2 30.0 -- -- -- 36554 1925 99.4 -- -- 0.208 0.242 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 2.2 2.26 -- 147 2641 0.291 0.35 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.83
Anisotropic B[1][1] 0.2
Anisotropic B[1][2] 0.1
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.3
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.522
r_nbd_refined 0.227
r_mcbond_it 0.806
r_xyhbond_nbd_refined 0.151
r_mcangle_it 1.493
r_symmetry_hbond_refined 0.559
r_scangle_it 3.639
r_gen_planes_refined 0.006
r_chiral_restr 0.102
r_dihedral_angle_1_deg 4.19
r_bond_refined_d 0.013
r_symmetry_vdw_refined 0.205
r_scbond_it 2.295
r_dihedral_angle_3_deg 16.4
r_metal_ion_refined 0.073
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5089
Nucleic Acid Atoms 0
Heterogen Atoms 41
Solvent Atoms 358

Software

Software
Software Name Purpose
REFMAC refinement version: 5.0.36
DENZO data reduction
SCALEPACK data scaling