X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.4
Temperature 291.14
Details PEG 4000, TRIS-HCl, magnesium chloride, , pH 7.4, VAPOR DIFFUSION, HANGING DROP, temperature 291.14K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 210.48 α = 90
b = 45.78 β = 104.97
c = 130.27 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1997-04-30
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.9 100 93.7 0.215 -- -- 2.42 38774 38774 -- -1.0 16.54
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)
3.0 100.0 91.0 0.63 -- -- -- 3461

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
-- 3.0 100.0 -- 0.0 17343 17343 1739 70.4 -- -- 0.248 0.284 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.009
c_angle_deg 1.43
cns_dihedral_angles 21.69
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8164
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 16

Software

Software
Software Name Purpose
XTALVIEW refinement
SOLVE phasing
DM model building
CNS refinement
DENZO data reduction
SCALEPACK data scaling
DM phasing