X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details 20 MM SODIUM PHOSPHATE, 100 MM NACL, 0.6% BETA- OCTYLGLUCOSIDE, 10 MG/ML PROTEIN, 1MM INHIBITOR MIXED WITH A RESERVOIR SOLUTION CONTAINING 20-34% MONOMETHYL PEG 550, 10-240 MGCL2, 50 MM EPPS PH 8.0 IN THE RATIO OF 1:1

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 180.34 α = 90
b = 133.92 β = 90
c = 121.14 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 113
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 300 mm plate SUPPER MIRRORS 1995-07-15
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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 40 62.4 0.123 0.123 -- 2.34 -- 36954 -- -0.5 --
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)
3.0 3.11 36.1 0.307 0.307 1.54 1.5 --

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 3.0 8.0 -- 2.0 -- 30300 2987 54.0 -- 0.216 0.216 0.218 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 3.0 3.13 -- 161 1580 0.249 0.374 -- 25.1
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 7.4
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.5
x_scbond_it 2.0
x_mcangle_it 2.0
x_mcbond_it 1.5
x_improper_angle_d 1.78
x_bond_d 0.015
x_angle_deg 1.94
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 17892
Nucleic Acid Atoms 0
Heterogen Atoms 444
Solvent Atoms 0

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MERLOT Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
MERLOT model building
SCALEPACK data reduction
DENZO data collection