X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Seeding
pH 8.3
Temperature 293.0
Details PEG 3350, Tris-HCl, Li2SO4, pH 8.3, seeding, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 113.34 α = 90
b = 122.28 β = 90
c = 107.36 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR -- -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- 1.5418 -- --

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
2.49 -- 93.8 -- 0.093 -- 6.4 52799 49524 -- -- 10.8
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)
2.49 2.68 70.7 -- 0.262 1.9 2.0 7330

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 2.5 19.76 -- 0.0 -- 49218 4953 94.3 -- 0.179 0.179 0.238 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 2.5 2.59 -- 267 2494 0.353 0.394 0.024 53.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 23.0
Anisotropic B[1][1] 10.72
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -2.18
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -8.54
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.81
c_scbond_it 1.81
c_mcangle_it 2.03
c_mcbond_it 1.2
c_improper_angle_d 0.83
c_dihedral_angle_d 24.7
c_angle_deg 1.4
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.27
Luzzati Sigma A (Observed) 0.51
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.59
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10734
Nucleic Acid Atoms 0
Heterogen Atoms 50
Solvent Atoms 403

Software

Computing
Computing Package Purpose
MERLOT Structure Solution
CNS 1.0 Structure Refinement
Software
Software Name Purpose
CNS version: 1.0 refinement
MERLOT model building