X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microdialysis
pH 7.5
Temperature 277.0
Details NaCl, Tris, MgCl2, pH 7.5, MICRODIALYSIS at 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 105.63 α = 90
b = 105.63 β = 90
c = 184.16 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-03-15
Diffraction Radiation
Monochromator Protocol
Si MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-ID-B 1.1063, 0.9786, 0.9789, 0.9560 APS 14-ID-B

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
3 81.65 99.8 0.035 0.035 -- 9.95 -- 24280 -- -2.0 --

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 3.0 81.65 -- 0.0 -- 21907 2373 99.91 0.2314 0.2314 0.22803 0.26323 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 3.001 3.163 -- 317 3158 0.364 0.426 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 88.308
Anisotropic B[1][1] 1.79
Anisotropic B[1][2] 0.9
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.79
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.69
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_refined 0.261
r_gen_planes_refined 0.005
r_chiral_restr 0.114
r_dihedral_angle_1_deg 5.779
r_angle_refined_deg 1.755
r_bond_refined_d 0.019
r_xyhbond_nbd_refined 0.145
r_symmetry_vdw_refined 0.264
r_symmetry_hbond_refined 0.071
r_mcbond_it 1.088
r_mcangle_it 2.151
r_scbond_it 2.945
r_scangle_it 5.224
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6226
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 42

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
REFMAC 5.1.17 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.17 refinement
MLPHARE model building
SCALEPACK data reduction
HKL-2000 data collection