X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details GLYCINE BUFFER, BARIUM CHLORIDE, SPERMINE, PEG400, PH 4.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 47.01 α = 90
b = 47.01 β = 90
c = 160.37 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD CUSTOM-MADE -- 1999-02-26
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED SI(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID -- APS 19-ID

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
1.7 10 95.2 0.057 -- -- 9.8 -- 19747 -- 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)
1.7 1.76 88.3 0.53 -- 3.0 3.5 --

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 1.7 10.0 -- 0.0 19747 -- 980 95.2 0.239 0.237 -- 0.279 RANDOM 5%
RMS Deviations
Key Refinement Restraint Deviation
s_similar_adp_cmpnt 0.081
s_anti_bump_dis_restr 0.008
s_non_zero_chiral_vol 0.037
s_zero_chiral_vol 0.039
s_from_restr_planes 0.068
s_angle_d 0.024
s_bond_d 0.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 360
Nucleic Acid Atoms 770
Heterogen Atoms 0
Solvent Atoms 188

Software

Computing
Computing Package Purpose
D*TREK Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
CNS model building