X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 144.16 α = 90
b = 193.12 β = 90
c = 176.93 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC -- 2002-04-06
CCD ADSC -- 2002-04-07
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-2 0.979126, 0.911620, 0.979413 SSRL BL9-2
SYNCHROTRON SSRL BEAMLINE BL9-2 0.979029 SSRL BL9-2

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
2.85 40 97.1 -- 0.094 -- -- 106150 106150 -- -- 78.0
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)
2.85 2.95 -- -- 0.37 3.2198 -- --

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 2.85 39.12 -- 0.0 106150 106150 5206 95.3 -- -- 0.257 0.307 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 2.85 3.03 16555 793 15762 0.386 0.394 0.014 89.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 79.8
Anisotropic B[1][1] 42.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -30.42
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -11.58
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 23.3
c_angle_deg 1.4
c_improper_angle_d 0.8
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.47
Luzzati Sigma A (Observed) 0.68
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.55
Luzzati Sigma A (R-Free Set) 0.65
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 13587
Nucleic Acid Atoms 0
Heterogen Atoms 166
Solvent Atoms 67

Software

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