X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Details 0.1 M NA CITRATE PH 5.7, 0.2 M MG ACETATE, 15% PEG8000, 50MM DTT.

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 94.09 α = 90
b = 94.09 β = 90
c = 366.72 γ = 90
Symmetry
Space Group P 41 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARMOSAIC 225 mm CCD -- 2010-09-16
Diffraction Radiation
Monochromator Protocol
HORIZONTALLY SIDE DIFFRACTING SILICON 111 CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID23-2 -- ESRF ID23-2

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
2.65 50 99.7 0.05 -- -- 7.6 -- 49241 -- 3.0 57.0
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)
2.65 2.81 99.4 0.58 -- 3.8 7.6 --

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 2.65 45.84 -- -- -- 46837 2427 99.94 -- 0.24313 0.23931 0.31705 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 2.649 2.718 -- 102 3415 0.301 0.417 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.309
Anisotropic B[1][1] 0.02
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.02
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.04
RMS Deviations
Key Refinement Restraint Deviation
r_mcangle_it 1.472
r_chiral_restr 0.104
r_dihedral_angle_4_deg 19.439
r_dihedral_angle_1_deg 7.849
r_dihedral_angle_2_deg 38.089
r_mcbond_it 0.774
r_dihedral_angle_3_deg 19.93
r_scbond_it 2.036
r_bond_refined_d 0.015
r_scangle_it 3.408
r_gen_planes_refined 0.008
r_angle_refined_deg 1.716
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10330
Nucleic Acid Atoms 0
Heterogen Atoms 124
Solvent Atoms 73

Software

Software
Software Name Purpose
REFMAC refinement version: 5.5.0109
XDS data reduction
XDS data scaling
PHASER phasing