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OXIDIZED FORM OF FORMATE DEHYDROGENASE H FROM E. COLI COMPLEXED WITH THE INHIBITOR NITRITE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
vapor diffusion - hanging drop in anaerobic atmosphere
7.5
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. PRIOR TO FREEZING IN LIQUID NITROGEN, CRYSTALS WERE OXIDIZED AND COMPLEXED WITH NITRITE BY SOAKING IN 10 MM BENZYL VIOLOGEN AND 30 MM SODIUM NITRITE FOR 30 MINUTES., vapor diffusion - hanging drop in anaerobic atmosphere
Crystal Properties
Matthews coefficient
Solvent content
2.75
55
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 146.8
α = 90
b = 146.8
β = 90
c = 81.8
γ = 90
Symmetry
Space Group
P 41 21 2
Diffraction
Diffraction Experiment
ID #
Crystal ID
Scattering Type
Data Collection Temperature
Detector
Detector Type
Details
Collection Date
Monochromator
Protocol
1
1
x-ray
93
IMAGE PLATE
RIGAKU RAXIS
MIRRORS
1995-12-26
M
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
ROTATING ANODE
RIGAKU RUH2R
Data Collection
Overall
ID #
Resolution (High)
Resolution (Low)
Percent Possible (Observed)
R Merge 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
2.9
50
97.7
0.09
19.5
4.7
19946
1
Highest Resolution Shell
ID #
Resolution (High)
Resolution (Low)
Percent Possible (All)
Percent Possible (Observed)
R Merge I (Observed)
Mean I Over Sigma (Observed)
Redundancy
Number Unique Reflections (All)
1
2.9
3
99
0.29
6.9
Refinement
Statistics
Diffraction ID
Structure Solution Method
Cross Validation method
Resolution (High)
Resolution (Low)
Cut-off Sigma (F)
Number Reflections (Observed)
Number Reflections (R-Free)
Percent Reflections (Observed)
R-Factor (Observed)
R-Work (Depositor)
R-Work (DCC)
R-Free (Depositor)
R-Free (DCC)
R-Free Selection Details
Mean Isotropic B
X-RAY DIFFRACTION
DIFFERENCE FOURIER ANALYSIS USING PHASES FROM THE STRUCTURE OF OXIDIZED FDH-H (PDB ENTRY 1FDO)