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_scangle_it 3.639
r_scbond_it 2.295
r_mcangle_it 1.493
r_mcbond_it 0.806
r_nbd_refined 0.227
r_gen_planes_refined 0.006
r_chiral_restr 0.102
r_dihedral_angle_3_deg 16.4
r_dihedral_angle_1_deg 4.19
r_angle_refined_deg 1.522
r_bond_refined_d 0.013
r_xyhbond_nbd_refined 0.151
r_metal_ion_refined 0.073
r_symmetry_vdw_refined 0.205
r_symmetry_hbond_refined 0.559
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
REFMAC 5.0.36 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0.36 refinement