X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 295.0
Details 20mM HEPES pH 7.5, 1.5M LiSO4, 10mM DTT , VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.06 α = 90
b = 99.31 β = 97.38
c = 94.98 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID -- APS 17-ID

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
2.5 20 99.8 0.072 -- -- -- -- 32492 -- -- 34.5

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
-- 2.5 20.0 -- 0.0 -- 32014 3201 98.3 -- 0.22 0.22 0.271 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 2.66 -- 481 4671 0.233 0.279 0.013 95.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 45.4
Anisotropic B[1][1] 0.71
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 7.6
Anisotropic B[2][2] -5.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 4.34
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.92
c_dihedral_angle_d 20.0
c_angle_deg 1.3
c_bond_d 0.007
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.19
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6898
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 310

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
AMORE Structure Solution
CNX 2000 Structure Refinement
Software
Software Name Purpose
CNX version: 2000 refinement
AMORE model building
HKL2000 data reduction
MAR data collection