X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6
Temperature 277.0
Details PEG 3350, Li2SO4, MES, glycerol, pH 6.0, VAPOR DIFFUSION, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 186.95 α = 90
b = 149.27 β = 121
c = 149.21 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-08-16
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A 0.9729,0.9787,0.9724 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
2.8 15 93.8 0.069 -- -- 4.7 80441 80441 0.0 0.0 63.6
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)
2.8 2.9 68.9 0.392 -- -- 2.9 5874

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
-- 2.8 15.0 0.0 0.0 85778 80511 4051 93.8 -- -- 0.262 0.293 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.4
c_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17461
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 93

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement version: 0.3
DENZO data reduction
SCALEPACK data scaling