X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5.6
Details pH 5.6

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 49.49 α = 90
b = 58.58 β = 96.96
c = 63.51 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 274
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1993-03-12
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE -- -- -- --

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
2.2 58.7 98.1 -- 0.033 -- 3.8 -- 18020 -- 0.0 --

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
-- 2.2 8.0 -- 0.0 -- 17609 -- 97.3 -- 0.201 0.201 0.267 --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.8
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.011
x_improper_angle_d 1.46
x_angle_deg 1.73
x_dihedral_angle_d 21.7
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2756
Nucleic Acid Atoms 0
Heterogen Atoms 172
Solvent Atoms 138

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 model building
X-PLOR version: 3.1 refinement