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PURINE NUCLEOSIDE PHOSPHORYLASE FROM THERMUS THERMOPHILUS
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
experimental model
Other
THE REFINED STRUCTURE OF PURINE NUCLEOSIDE PEPTIDASE FROM THERMUS THERMOPHILUS WAS USED AS STARTING MODEL FOR REFINEMENT
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
MICROBATCH
6.3
291
MICROBATCH METHOD UNDER OIL WAS USED. 15.1 MG/ML OF PROTEIN SOLUTION CONTAINING 0.02M DTT WAS MIXED WITH 1.65M SODIUM ACETATE AND 0.1M MES PH 6.3. THE CRYSTALLIZATION TEMPERATURE WAS 291 K. PARATONE-N OIL MIXED WITH 10% W/W OF GLYCEROL WAS USED FOR CRYOPROTECTION LIGAND BOUND CRYSTALS WERE OBTAINED BY 7 H SOAKING OF NATIVE CRYSTALS IN SOLUTION CONTAINING 1.2M SODIUM ACETATE PH 6.3, 20MM AMMONIUM SULFATE, 2MM MAGNESIUM SULFATE AND 5MM GUANOSINE
Crystal Properties
Matthews coefficient
Solvent content
2.5
49.9
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 132.757
α = 90
b = 132.757
β = 90
c = 172.06
γ = 90
Symmetry
Space Group
P 43 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
100
IMAGE PLATE
RIGAKU IMAGE PLATE, RAXIS-VII
MIRRORS
2003-01-15
M
SINGLE WAVELENGTH
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
ROTATING ANODE
RIGAKU FR-D
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
2.4
15
96.9
0.118
16.9
4.99
58580
-0.5
11.4
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
2.4
2.49
92.7
0.332
3.9
Refinement
Statistics
Diffraction ID
Structure Solution Method
Cross Validation method
Starting model
Resolution (High)
Resolution (Low)
Number Reflections (Observed)
Number Reflections (R-Free)
Percent Reflections (Observed)
R-Factor (Observed)
R-Work (Depositor)
R-Work (DCC)
R-Free (Depositor)
R-Free Selection Details
Mean Isotropic B
X-RAY DIFFRACTION
MOLECULAR REPLACEMENT
THROUGHOUT
THE REFINED STRUCTURE OF PURINE NUCLEOSIDE PEPTIDASE FROM THERMUS THERMOPHILUS WAS USED AS STARTING MODEL FOR REFINEMENT