X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Details PROTEIN WAS CRYSTALLIZED FROM 1.1 M AMMONIUM SULPHATE, 0.1M ACETATE/AC. ACETIC, PH=4.5, 90 MM BIS-TRIS PROPANE, 0.9 MM SODIUM AZIDE, pH 4.50

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 24.51 α = 90
b = 33.24 β = 90
c = 62.61 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
-- SMALL MARRESEARCH IMAGING PLATE MIRRORS 2000-11-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS/MACSCIENCE MX18 -- -- --

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
2.7 12 88.8 0.11 -- -- 2.3 -- 2863 -- 2.0 --
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.7 2.82 71.3 -- -- -- -- --

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
MOLECULAR REPLACEMENT 2.7 10.0 -- 2.0 -- 1353 -- 88.8 -- 0.211 0.211 0.221 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.602
x_bond_d 0.011
x_angle_deg 1.85
x_dihedral_angle_d 29.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 475
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 22

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
AMORE model building