X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.4
Details 20-21% PEG 400, 50 mM sodium citrate, pH 4.4 and 4.8, and 50 mM KCl, VAPOR DIFFUSION, SITTING DROP

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 137.5 α = 90
b = 124.5 β = 110.2
c = 109.4 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 210 -- --
Diffraction Radiation
Monochromator Protocol
graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ALS BEAMLINE 8.2.1 1.03840,1.04040 ALS 8.2.1

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
3.5 50 90.0 -- -- -- -- 16781 13425 -- 1.0 --
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)
3.5 3.7 90.0 -- -- -- -- --

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 3.5 50.0 -- 2.0 7645 6879 687 -- 0.28 0.28 0.27 0.35 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.6
x_bond_d 0.05
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5600
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 0

Software

Software
Software Name Purpose
ADSC data collection
HKL-2000 data reduction
PHASES phasing
X-PLOR refinement version: 3.851
HKL-2000 data scaling