X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 1.7 M AMMONIUM SULFATE, 10% (V/V) ETHANOL, pH 7.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.79 α = 90
b = 61.24 β = 90
c = 136.01 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 2002-06-15
Diffraction Radiation
Monochromator Protocol
NI FILTER SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ELLIOTT GX-6 -- -- --

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 30 95.4 0.058 -- -- 2.8 -- 30005 -- -- 28.5
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)
2.0 2.03 83.5 0.42 -- 1.92 2.19 --

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 2.09 27.95 -- -- -- 23508 1181 98.3 -- 0.165 0.163 0.209 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 2.09 2.14 -- 63 1617 0.189 0.25 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.77
Anisotropic B[1][1] 0.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.09
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.36
RMS Deviations
Key Refinement Restraint Deviation
r_metal_ion_refined 0.068
r_symmetry_hbond_refined 0.151
r_mcangle_it 1.867
r_xyhbond_nbd_refined 0.141
r_mcbond_it 1.02
r_scangle_it 3.794
r_gen_planes_refined 0.01
r_scbond_it 2.532
r_bond_refined_d 0.007
r_chiral_restr 0.1
r_nbd_refined 0.235
r_dihedral_angle_1_deg 2.936
r_symmetry_vdw_refined 0.191
r_angle_refined_deg 1.305
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3576
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 283

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
DENZO data reduction
SCALEPACK data scaling
MOLREP phasing