X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.8
Temperature 294.0
Details ADP, Calcium Chloride, Magnesium Chloride, PEP, EDTA, ammonium acetate, sodium acetate buffer, dithiothreitol, PEG 4000, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 126.2 α = 90
b = 95.2 β = 95.2
c = 46.8 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1998-12-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B 1.0 PHOTON FACTORY BL-18B

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
1.8 40 78.3 -- 0.037 -- 2.84 41488 41488 -- 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
MOLECULAR REPLACEMENT 1.8 10.0 -- 0.0 38351 38351 1946 -- 0.204 0.204 0.2 0.25 Random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 29.6
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.27
x_dihedral_angle_d 23.6
x_angle_deg 1.65
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4128
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 260

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (TRUNCATE) Data Reduction (data scaling)
AMORE Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
AMoRE model building
TRUNCATE data reduction
DENZO data collection