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 Co-crystal grown from sodium cyanide, sodium acetate, ammonium, sulfate, calcium chloride, and PEG MW 8000. It was subsequently equilibrated with a substitute mother liquor containing sodium thiocyanate, pH 5.5, Vapor Diffusion, Hanging Drop with Macro Seeding, temperature 22K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.26 α = 90
b = 63.77 β = 97.51
c = 92.6 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 -- 1999-07-01
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
1.9 30 94.6 0.057 -- -- 2.7 100546 95046 0.0 0.0 17.0
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)
1.9 1.97 90.6 0.193 -- -- 2.0 9049

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
-- 1.9 10.0 2.0 2.0 95046 88764 4465 93.4 -- -- 0.197 0.224 Random selection of 5% of observed reflections
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.718
x_dihe_deg 22.999
x_bond_d 0.01
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9142
Nucleic Acid Atoms 0
Heterogen Atoms 345
Solvent Atoms 862

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building
X-PLOR refinement version: 3.851
X-PLOR phasing