X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.1
Temperature 295.0
Details 16% PEG 8000, 0.1M calcium acetate, 0.1M sodium cacodylate, pH 7.1, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.08 α = 90
b = 84.97 β = 96.32
c = 105.24 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-07-30
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54 -- --

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
1.95 44.72 77.9 0.107 -- -- 2.4 81630 81630 -- -- 22.48
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)
1.95 2.02 38.1 0.483 -- 1.1 1.6 3980

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
MOLECULAR REPLACEMENT 1.95 15.0 -- -- 81471 81471 2478 100.0 -- -- 0.201 0.28 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 31.81
RMS Deviations
Key Refinement Restraint Deviation
p_mcbond_it 1.8
p_mcangle_it 2.6
p_scangle_it 3.0
p_angle_d 0.04
p_bond_d 0.15
p_scbond_it 2.1
p_planar_d 0.041
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10982
Nucleic Acid Atoms 0
Heterogen Atoms 23
Solvent Atoms 937

Software

Software
Software Name Purpose
AMoRE phasing
REFMAC refinement
DENZO data reduction
SCALEPACK data scaling