X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop with Macro Seeding
pH 5.5
Temperature 22.0
Details Crystal is grown from sodium acetate, ammonium sulfate calcium chloride, and Peg MW 8000. It was subsequently equilibrated with a substitute mother liquor which contained sodium thiocyanate., pH 5.5, Vapor Diffusion, Hanging Drop with Macro Seeding, temperature 22K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.24 α = 90
b = 63.87 β = 97.54
c = 92.62 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 84
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-06-03
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 -- -- --

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
1.85 30 99.9 0.048 -- -- 4.0 108427 108318 0.0 0.0 15.0
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)
1.85 1.9 99.8 0.139 -- -- 4.0 10720

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
-- 1.85 10.0 2.0 2.0 108318 106892 5345 98.7 -- -- 0.178 0.21 Random selection of 5% of observed reflections
RMS Deviations
Key Refinement Restraint Deviation
x_dihe_deg 23.218
x_angle_deg 1.223
x_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9142
Nucleic Acid Atoms 0
Heterogen Atoms 337
Solvent Atoms 839

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
X-PLOR model building
SCALEPACK data reduction
DENZO data collection