X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.6
Temperature 288.0
Details Lithium sulfate, Ammonium sulfate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.75 α = 90
b = 113.75 β = 90
c = 124.25 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 -- 2001-08-25
Diffraction Radiation
Monochromator Protocol
-- 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
1.8 25.7 100.0 -- 0.047 -- -- 37740 37740 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)
1.8 1.846 -- -- -- -- -- --

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 1.8 20.0 -- 2.0 25866 25850 1366 99.94 -- 0.19946 0.19756 0.23618 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 1.8 1.846 -- 92 1840 0.177 0.229 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.928
Anisotropic B[1][1] -0.19
Anisotropic B[1][2] -0.1
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.19
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.29
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.241
r_gen_planes_refined 0.006
r_chiral_restr 0.109
r_dihedral_angle_3_deg 17.973
r_dihedral_angle_1_deg 4.505
r_angle_refined_deg 1.585
r_bond_refined_d 0.014
r_xyhbond_nbd_refined 0.191
r_symmetry_vdw_refined 0.186
r_symmetry_hbond_refined 0.226
r_mcbond_it 0.815
r_mcangle_it 1.44
r_scbond_it 2.536
r_scangle_it 4.035
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2087
Nucleic Acid Atoms 0
Heterogen Atoms 48
Solvent Atoms 236

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHARP Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
SHARP model building
SCALA data reduction
MOSFLM data collection