X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
Temperature 295.5
Details magnesium formate, mpd, lithium chloride, VAPOR DIFFUSION, SITTING DROP, temperature 295.5K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 40.63 α = 90
b = 40.63 β = 90
c = 55.27 γ = 120
Symmetry
Space Group P 64

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-08-04
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 0.92002 NSLS X8C

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 50 99.0 0.071 0.071 -- -- 5957 3066 -- 0.0 --
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)
2.1 2.18 99.4 0.22 -- 13.76 -- 307

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
SAD 2.1 35.14 -- 2.0 2907 2870 161 98.7 0.20485 0.20485 0.20332 0.23256 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 2.1 2.155 -- 16 217 0.228 0.258 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 39.727
Anisotropic B[1][1] -1.5
Anisotropic B[1][2] -0.75
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.5
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 2.24
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_vdw_refined 0.113
r_angle_refined_deg 3.133
r_nbd_refined 0.381
r_bond_refined_d 0.02
r_chiral_restr 0.12
r_gen_planes_refined 0.013
r_xyhbond_nbd_refined 0.187
r_symmetry_hbond_refined 0.065
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 257
Heterogen Atoms 1
Solvent Atoms 23

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.24
HKL-2000 data reduction
SCALEPACK data scaling
CNS phasing