X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details ammonium sulfate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 38.49 α = 90
b = 65.69 β = 90
c = 79.09 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-01-01
Diffraction Radiation
Monochromator Protocol
SAGITALLY FOCUSED Si(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-D 1.0 APS 14-BM-D
SYNCHROTRON APS BEAMLINE 14-BM-C 0.9786, 0.9784, 0.9632, 0.9941 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 30 -- 0.039 -- -- 4.2 19159 19159 0.0 0.0 20.0
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 1.88 96.3 0.142 0.142 11.9 5.2 --

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 30.0 0.0 0.0 13559 13559 1107 -- 0.225 0.225 0.222 0.247 random
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_improper_angle_d 0.71
c_dihedral_angle_d 22.4
c_angle_deg 1.3
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1474
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 296

Software

Computing
Computing Package Purpose
SCALE Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MADSYS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
MADSYS model building
SCALEPACK data reduction
SCALE data collection