X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.7
Temperature 289.0
Details CO-CRYSTALLIZED COMPLEX WAS OBTAINED FROM 0.01 M BES, PH 6.7, 0.003 M DTT, 0.001 M SPERMINE, 0.0001 M SODIUM EDTA, 0.02 % SODIUM AZIDE AND 0.01 M AMIDOCARBAMATE AT 16 DEGREES C. JUST BEFORE DATA COLLECTION, THE CRYSTALS WERE TRANSFERRED TO A FRESH SOLUTION OF THE ABOVE BUFFER CONTAINING 30% GLYCEROL FOR 30-60 SEC., temperature 289K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.68 α = 90
b = 126.68 β = 90
c = 115.35 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MAR scanner 180 mm plate -- 1995-10-18
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE X11 -- EMBL/DESY, HAMBURG X11

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 20 99.4 0.06 -- -- 6.6 -- 62995 -- -- --
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)
2.0 2.07 99.6 0.219 -- 6.2 -- --

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
OTHER 2.0 20.0 -- 0.0 -- 62895 3967 99.4 -- 0.182 0.182 0.229 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.75
x_bond_d 0.008
x_angle_deg 1.4
x_dihedral_angle_d 23.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6542
Nucleic Acid Atoms 0
Heterogen Atoms 57
Solvent Atoms 820

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CCP4 Structure Solution
X-PLOR 3.8 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.8 refinement
CCP4 model building