X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7
Temperature 291.0
Details CdCl2, PEG550MME, HEPES, NaCl, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.58 α = 90
b = 100.75 β = 90
c = 187.24 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-01-25
Diffraction Radiation
Monochromator Protocol
SiO2 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C 1.000 NSLS X8C

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 25 96.6 -- 0.076 -- 5.2 100115 100115 0.0 0.0 16.1
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)
2.0 2.07 77.8 -- 0.312 2.9 -- 7963

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
-- 2.0 24.96 -- 0.0 -- 100014 5059 96.5 -- 0.234 0.234 0.274 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 -- 726 13374 0.343 0.348 0.013 82.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 37.1
Anisotropic B[1][1] -6.16
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 21.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -15.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 3.14
c_mcbond_it 1.33
c_bond_d 0.01
c_dihedral_angle_d 23.3
c_mcangle_it 2.07
c_improper_angle_d 0.89
c_angle_deg 1.5
c_scbond_it 2.14
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.41
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.44
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 10186
Nucleic Acid Atoms 0
Heterogen Atoms 12
Solvent Atoms 394

Software

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