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Pig muscle 3-PHOSPHOGLYCERATE KINASE complexed with 3-PG and MgADP.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
other
THE STARTING MODEL WAS CHOSEN AS THE STRUCTURE OF THE MNADP BINARY COMPLEX OF PIG MUSCLE PGK CRYSTALLISED IN THE PRESENCE OF AMMONIUM SULPHATE (MAY ET AL., PERSONAL COMM.).
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
VAPOR DIFFUSION, HANGING DROP
7.7
288
THE ENZYME WAS DIALYSED IN 30 MM NAK-PHOSPHATE BUFFER, PH=8.0. SINGLE CRYSTALS WERE GROWN AT 15C WITHIN A FEW WEEKS IN HANGING DROPS (10-15 ML EACH) INITIALLY CONTAINING 1.25 M NAK-PHOSPHATE (PH=8.0), 100 MM 3-PG, 25 MM MGCL2, 20 MM ADP, 10 MM DITHIOTHREITOL, 0.02% NAN3 AND 15 MG/ML PGK. RESERVOIR SOLUTIONS CONTAINED 2.4-2.75 M NAK-PHOSPHATE(PH=8.0)., pH 7.70
Crystal Properties
Matthews coefficient
Solvent content
2.1
41
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 50.5
α = 90
b = 105.2
β = 98.4
c = 35.9
γ = 90
Symmetry
Space Group
P 1 21 1
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
MARRESEARCH
1997-06-15
M
SINGLE WAVELENGTH
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
SYNCHROTRON
SRS BEAMLINE PX7.2
SRS
PX7.2
Data Collection
Overall
ID #
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
1.8
20
95.6
0.081
0.081
17
2.4
34292
21.8
Highest Resolution Shell
ID #
Resolution (High)
Resolution (Low)
Percent Possible (All)
Percent Possible (Observed)
R Merge I (Observed)
R-Sym I (Observed)
Mean I Over Sigma (Observed)
Redundancy
Number Unique Reflections (All)
1
1.8
1.88
98.1
0.244
0.244
3
2.3
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-Free (Depositor)
R-Free Selection Details
Mean Isotropic B
X-RAY DIFFRACTION
MOLECULAR REPLACEMENT
THROUGHOUT
THE STARTING MODEL WAS CHOSEN AS THE STRUCTURE OF THE MNADP BINARY COMPLEX OF PIG MUSCLE PGK CRYSTALLISED IN THE PRESENCE OF AMMONIUM SULPHATE (MAY ET AL., PERSONAL COMM.).