X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.7
Details 0.1 M CITRATE, 20% ISOPROPANOL 2% PEG 20000 PH 4.7

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.06 α = 90
b = 89.6 β = 90
c = 101.23 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 285
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1995-02-05
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
2.8 8 92.4 0.126 -- -- 2.0 -- 12294 -- 3.0 --
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)
2.8 2.9 85.5 -- -- -- -- --

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 2.8 8.0 -- 2.0 -- 11715 -- -- -- -- 0.184 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.7
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.012
p_angle_d 2.072
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2635
Nucleic Acid Atoms 0
Heterogen Atoms 30
Solvent Atoms 146

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
MAIN V. 95 Structure Solution
PROLSQ Structure Refinement
Software
Software Name Purpose
PROLSQ refinement
MAIN version: 95 model building
DENZO data collection