X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.14 α = 90
b = 85.35 β = 90
c = 55.26 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1994-08-29
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- -- -- --

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
-- -- 97.0 0.0338 -- -- 3.17 -- 21587 -- 0.0 19.5

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
-- 1.7 20.0 -- 2.0 -- 20353 985 91.5 -- 0.189 0.189 0.217 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 1.7 1.73 -- 35 800 0.339 0.291 0.049 76.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 21.2
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 3.64
x_scbond_it 2.34
x_mcangle_it 2.2
x_mcbond_it 1.3
x_improper_angle_d 1.19
x_bond_d 0.006
x_angle_deg 1.3
x_dihedral_angle_d 24.0
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.1
Luzzati Resolution Cutoff (Low) 20.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.08
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1271
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 143

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
X-PLOR 3.1 Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR version: 3.1 model building