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Crystal structure of the amino acid kinase domain from Saccharomyces cerevisiae acetylglutamate kinase complexed with its substrate N- acetylglutamate
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s)
Type
Source
Accession Code
Details
experimental model
Other
STARTING MODEL WAS A LOW RESOLUTION INCOMPLETE MODEL FROM A SE-MET SUBSTITUTED CRYSTAL
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
4.6
PROTEIN WAS CRYSTALLIZED IN 50 MM NA-ACETATE, PH 4.6, 0.2 M NA-MALONATE AND 2% PEG 8000,, CONTAINING 24MM N-ACETYLGLUTAMATE; PREVIOUS TO FREEZING, CRYSTAL WAS SOAKED IN 2 MM HGCL2 AND 25% GLYCEROL AS CRYOPROTECTOR
Crystal Properties
Matthews coefficient
Solvent content
2.43
49
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 69.701
α = 90
b = 99.299
β = 90
c = 190.644
γ = 90
Symmetry
Space Group
P 21 21 21
Diffraction
Diffraction Experiment
ID #
Crystal ID
Scattering Type
Data Collection Temperature
Detector
Detector Type
Details
Collection Date
Monochromator
Protocol
1
1
x-ray
100
CCD
ADSC CCD
2009-07-25
M
SINGLE WAVELENGTH
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
SYNCHROTRON
ESRF BEAMLINE ID14-4
ESRF
ID14-4
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
2.2
19.97
100
0.12
5
15
67865
1.9
26.7
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
2.2
2.32
100
0.4
1.9
15.3
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-Work (DCC)
R-Free (Depositor)
R-Free (DCC)
R-Free Selection Details
Mean Isotropic B
X-RAY DIFFRACTION
MOLECULAR REPLACEMENT
THROUGHOUT
STARTING MODEL WAS A LOW RESOLUTION INCOMPLETE MODEL FROM A SE-MET SUBSTITUTED CRYSTAL