X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.5
Details pH 5.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 51.3 α = 90
b = 58.8 β = 90
c = 62.3 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 289
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1993-12-10
Diffraction Radiation
Monochromator Protocol
GRAPHITE --
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
2.05 51 94.0 0.071 -- -- 3.0 -- 11539 -- 1.0 --

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
-- 2.05 8.0 -- 2.0 -- 11271 -- 94.0 -- 0.163 0.163 0.237 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 20.9
RMS Deviations
Key Refinement Restraint Deviation
x_scangle_it 2.5
x_scbond_it 2.0
x_mcangle_it 2.0
x_mcbond_it 1.5
x_improper_angle_d 1.42
x_bond_d 0.009
x_angle_deg 1.59
x_dihedral_angle_d 26.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1541
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 95

Software

Computing
Computing Package Purpose
PROCESS (HIGASHI/RIGAKU) 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