X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Details PROTEIN WAS CRYSTALLIZED FROM 2M AMMONIUM SULFATE, 6% GLYCEROL, 200MM CACODYLATE BUFFER (PH 5), pH 5.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 269.4 α = 90
b = 82.33 β = 90
c = 93.74 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
-- -- -- --
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
-- -- -- -- -- -- -- -- n/a -- -- 40.0

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
-- 2.2 30.0 -- 0.0 -- 91992 4618 87.0 -- 0.185 0.185 0.233 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 2.2 2.3 -- 344 6513 0.332 0.349 0.04 47.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.0
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 9.0
x_scbond_it 7.1
x_mcangle_it 6.0
x_mcbond_it 4.3
x_improper_angle_d 0.852
x_bond_d 0.009
x_angle_deg 1.45
x_dihedral_angle_d 24.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.2
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10720
Nucleic Acid Atoms 0
Heterogen Atoms 24
Solvent Atoms 584

Software

Computing
Computing Package Purpose
X-PLOR 3.8 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
X-PLOR version: 3.8 model building