X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Details pH 6.5, VAPOR DIFFUSION, HANGING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 132.54 α = 90
b = 132.54 β = 90
c = 110.5 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 ADSC QUANTUM 4 -- 2000-11-30
Diffraction Radiation
Monochromator Protocol
-- MAD
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 1.0 APS 14-BM-C

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
2.3 32.3 100.0 -- -- -- -- 16645 16645 2.0 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)
2.3 2.43 99.9 -- -- -- -- --

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 2.7 27.74 -- 2.0 9853 9850 547 99.97 -- 0.19559 0.19196 0.26117 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 2.7 2.769 -- 34 721 0.186 0.275 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 18.308
Anisotropic B[1][1] -0.05
Anisotropic B[1][2] -0.03
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.08
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_refined 0.54
r_bond_refined_d 0.048
r_mcangle_it 2.57
r_symmetry_hbond_refined 0.859
r_scangle_it 7.616
r_chiral_restr 0.249
r_xyhbond_nbd_refined 0.241
r_angle_refined_deg 3.665
r_gen_planes_refined 0.015
r_scbond_it 5.117
r_dihedral_angle_1_deg 6.356
r_nbd_refined 0.322
r_mcbond_it 1.551
r_dihedral_angle_3_deg 22.742
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2073
Nucleic Acid Atoms 0
Heterogen Atoms 26
Solvent Atoms 173

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
SHARP phasing
REFMAC refinement version: 5.0
CCP4 data scaling version: (SCALA)