X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 100 MM POTASSIUM PHOSPHATE PH 6.0, 42% SATURATED AMMONIUM SULPHATE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100.1 α = 90
b = 110.15 β = 90
c = 79.84 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- --
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
2.5 48.28 98.8 0.15 -- -- 4.7 -- 59123 -- 2.0 --
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)
2.5 2.64 98.5 0.53 -- 3.7 4.6 --

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 2.5 48.28 -- -- -- 56176 3021 98.7 -- 0.186 0.182 0.265 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 2.5 2.56 -- 180 4202 0.239 0.377 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.89
Anisotropic B[1][1] -0.17
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.01
Anisotropic B[2][2] 0.32
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.15
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 2.219
r_angle_refined_deg 1.855
r_scangle_it 3.455
r_mcangle_it 1.421
r_dihedral_angle_3_deg 17.934
r_dihedral_angle_1_deg 8.567
r_xyhbond_nbd_refined 0.265
r_gen_planes_refined 0.006
r_dihedral_angle_4_deg 18.145
r_nbtor_refined 0.313
r_dihedral_angle_2_deg 36.62
r_nbd_refined 0.228
r_symmetry_hbond_refined 0.149
r_mcbond_it 0.818
r_bond_refined_d 0.018
r_chiral_restr 0.122
r_symmetry_vdw_refined 0.186
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10626
Nucleic Acid Atoms 0
Heterogen Atoms 196
Solvent Atoms 491

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0019
MOSFLM data reduction
SCALA data scaling
PHASER phasing