X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 44.52 α = 90
b = 82.89 β = 101.57
c = 58.22 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1993-09-15
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- -- 1.5418 -- --

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 40 96.5 0.039 -- -- 4.1 -- 28060 -- -- --

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 7.5 -- -- -- 26555 -- 98.6 -- 0.182 0.182 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.9
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.98
x_bond_d 0.011
x_angle_deg 1.12
x_dihedral_angle_d 23.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2875
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 255

Software

Computing
Computing Package Purpose
DENZO 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