X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.4
Details PROTEIN WAS CRYSTALLIZED FROM 12% PEG6000 20 MM CACL2, 50 MM CACODYLATE BUFFER, PH7.4

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.87 α = 90
b = 80.46 β = 91.2
c = 57.08 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 280
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS MIRRORS 1997-02
Diffraction Radiation
Monochromator Protocol
NI FILTER --
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
2.03 20 92.3 0.06 0.08 -- 3.0 -- 24588 -- 2.0 31.0
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)
2.03 2.2 90.0 0.05 0.26 3.5 2.0 --

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
MOLECULAR REPLACEMENT 2.03 8.0 -- 2.0 -- 33809 -- 97.0 -- 0.21 0.21 0.27 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 38.0
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.013
x_angle_deg 1.494
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2790
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 104

Software

Computing
Computing Package Purpose
XGEN Data Reduction (intensity integration)
XGEN Data Reduction (data scaling)
PHASES Structure Solution
X-PLOR 3.5 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.5 refinement
PHASES model building