X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 8
Details THE CRYSTALS WERE GROWN AT 20 DEGREES C. DATA WAS COLLECTED AT AT 4 DEGREES C., pH 8.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.71 α = 90
b = 73.71 β = 90
c = 57.25 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-02-13
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
2.16 30 92.4 0.089 -- -- 3.07 -- 9198 -- 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
-- 2.16 12.0 -- 2.0 -- 8455 -- 93.0 -- 0.204 0.204 0.263 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.1
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.746
x_dihedral_angle_d 26.04
x_improper_angle_d 2.2
x_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 862
Nucleic Acid Atoms 0
Heterogen Atoms 177
Solvent Atoms 66

Software

Software
Software Name Purpose
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
XDS data reduction
X-PLOR phasing version: 3.1