X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 58.75 α = 90
b = 92.36 β = 108.08
c = 88.31 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 CUSTOM-MADE -- 2002-04-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-BM 1.0088 APS 19-BM

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
2.1 50 100.0 0.053 -- -- 5.0 50590 50590 -- 0.0 19.6
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)
2.1 2.18 100.0 0.387 -- 3.8 5.0 5178

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
SIRAS 2.1 20.0 1.0 2.0 50590 46788 2346 92.5 0.246 0.236 0.23 0.284 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 2.1 2.23 5907 342 5907 0.24 0.287 0.016 72.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 44.3
Anisotropic B[1][1] 1.37
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.5
Anisotropic B[2][2] -1.23
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.14
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 1.49
c_mcangle_it 2.39
c_dihedral_angle_d 22.5
c_scbond_it 2.08
c_angle_deg 1.2
c_scangle_it 3.02
c_improper_angle_d 0.72
c_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.28
Luzzati Sigma A (Observed) 0.17
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.36
Luzzati Sigma A (R-Free Set) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6029
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 252

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
ISIRAS model building
CNS refinement version: 1.0
HKL-2000 data reduction
ISIRAS phasing