X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop in an Anaerobic Atmosphere
pH 7.5
Details FDH-H WAS CRYSTALLIZED BY HANGING DROP VAPOR DIFFUSION IN AN ANAEROBIC ATMOSPHERE IN THE PRESENCE OF 1.5 M AMMONIUM SULFATE, 1% PEG 400, 20 MM SODIUM FORMATE AND 100 MM HEPES/NAOH AT PH 7.5, vapor diffusion - hanging drop in an anaerobic atmosphere

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 146.4 α = 90
b = 146.4 β = 90
c = 82.7 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE FUJI -- 1996-06
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X4A -- NSLS X4A

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
2.3 50 88.0 0.085 -- -- 4.7 -- 36025 -- 1.0 --
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)
2.3 2.38 65.0 0.19 -- 8.4 -- --

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
MIR AND MAD 2.3 6.0 -- 2.0 -- 33367 1535 87.9 -- 0.217 0.217 0.287 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.3 2.38 -- 114 2347 0.269 0.292 0.027 65.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 28.4
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 1.56
x_bond_d 0.014
x_angle_deg 1.91
x_dihedral_angle_d 24.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5444
Nucleic Acid Atoms 0
Heterogen Atoms 103
Solvent Atoms 83

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
MLPHARE model building