X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 293.0
Details 0.6M ammonium sulfate, 0.1M HEPES, and 0.1M NaCl, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 229.67 α = 90
b = 69.91 β = 97.63
c = 113.73 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.9810, 0.9800, 0.9680 NSLS X9B

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 19.95 91.8 -- -- -- -- -- 217224 -- -- --

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
MAD 2.0 19.95 -- 0.0 -- 217224 8392 91.8 -- 0.189 0.171 0.184 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 2.0 2.13 -- 1291 32046 0.212 0.21 0.006 84.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 14.6
Anisotropic B[1][1] -2.65
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.9
Anisotropic B[2][2] 3.38
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.73
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.005
c_scangle_it 2.53
c_angle_deg 1.3
c_dihedral_angle_d 23.6
c_mcangle_it 1.31
c_improper_angle_d 0.9
c_mcbond_it 0.92
c_scbond_it 1.82
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.21
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.13
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10609
Nucleic Acid Atoms 0
Heterogen Atoms 8
Solvent Atoms 1429

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
CNS phasing