X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.3 α = 90
b = 70.9 β = 100.3
c = 72.8 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH mirrors 1997-09-01
Diffraction Radiation
Monochromator Protocol
yale mirrors SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.54 -- --

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 15.8 94.8 0.055 -- -- -- 53146 22489 1.0 1.0 14.7

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
FOURIER SYNTHESIS 2.0 15.98 0.0 0.0 22489 22382 1144 95.3 -- -- 0.21 0.264 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 -- 165 3441 0.287 0.29 0.023 92.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.4
Anisotropic B[1][1] 5.64
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.16
Anisotropic B[2][2] -1.61
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.02
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 5.04
c_scbond_it 3.85
c_mcangle_it 3.81
c_mcbond_it 3.11
c_improper_angle_d 1.28
c_dihedral_angle_d 25.1
c_angle_deg 1.5
c_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.25
Luzzati Sigma A (Observed) 0.26
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.31
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2356
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 196

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
X-PLOR Structure Solution
CNX 2000 Structure Refinement
Software
Software Name Purpose
CNX version: 2000 refinement
X-PLOR model building
SCALEPACK data reduction
DENZO data collection