X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details 25% PEG 4000, 0.3M KCL, 0.1M SODIUM CITRATE PH5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.93 α = 90
b = 69.87 β = 90
c = 75.72 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- --
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
1.65 20 99.2 0.06 -- -- 4.1 -- 41853 -- 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)
1.65 1.69 100.0 0.51 -- 2.8 2.84 --

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
MAD 1.65 20.0 -- -- -- 37910 1987 99.2 -- 0.213 0.212 0.224 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 1.65 1.69 -- 157 2767 0.307 0.354 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 21.33
Anisotropic B[1][1] 0.79
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.51
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.28
RMS Deviations
Key Refinement Restraint Deviation
r_xyhbond_nbd_refined 0.078
r_scbond_it 0.86
r_mcbond_it 0.308
r_nbtor_refined 0.294
r_symmetry_vdw_refined 0.101
r_bond_refined_d 0.006
r_gen_planes_refined 0.002
r_dihedral_angle_3_deg 11.397
r_nbd_refined 0.165
r_scangle_it 1.411
r_dihedral_angle_2_deg 35.707
r_dihedral_angle_1_deg 4.734
r_angle_refined_deg 0.987
r_dihedral_angle_4_deg 19.749
r_chiral_restr 0.057
r_symmetry_hbond_refined 0.076
r_mcangle_it 0.518
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2499
Nucleic Acid Atoms 0
Heterogen Atoms 38
Solvent Atoms 203

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
MOSFLM data reduction
SCALA data scaling