X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details PROTEIN WAS CRYSTALLIZED FROM 100MM NACL, 20MM HEPES, PH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.3 α = 90
b = 79.3 β = 90
c = 60.8 γ = 120
Symmetry
Space Group P 31

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU COLLIMATOR 1995-12
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
2.07 -- 81.9 0.057 -- -- 2.2 -- 22687 -- 1.0 --

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
ISOMORPHOUS REPLACEMENT 2.06 10.0 -- 2.0 -- 22462 -- -- -- 0.187 0.187 0.223 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 32.8
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.012
x_angle_deg 1.4
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 10.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3360
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 264

Software

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