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 17457
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 93

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
CNS 0.3 Structure Refinement
Software
Software Name Purpose
CNS version: 0.3 refinement
MLPHARE model building