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BSM complex18 (PDB code 5FEM) and the RSU of Thermotoga maritima16 (PDB code 2FGC).
Crystallization
Crystalization Experiments
ID
Method
pH
Temperature
Details
1
VAPOR DIFFUSION, HANGING DROP
291
The crystals of Saccharomyces cerevisiae AHAS complex were obtained by the hanging drop vapor diffusion method. The catalytic subunit (70.527 kDa, 70 mg/ml) and regulatory subunit (29.625 kDa, 19.8 mg/ml) freshly thawed were mixed together in a ratio of 1:2, giving a solution where the concentration of the RSU was ~ 30% in excess compared to the CSU. The cofactors, inhibitor, and DTT were added to the solution to a final concentration of 2 mM ThDP, 1 mM FAD, 10 mM MgCl2, 1 mM BSM and 5 mM DTT. The crystallization buffer consisted of 0.2 M sodium malonate pH 7 and 20% w/v PEG 3,350. The crystallization drops consisted of equal volumes (1 ul) of well solution and enzyme complex
Crystal Properties
Matthews coefficient
Solvent content
3.19
61.99
Crystal Data
Unit Cell
Length ( Å )
Angle ( ˚ )
a = 368.647
α = 90
b = 230.307
β = 94.57
c = 183.532
γ = 90
Symmetry
Space Group
C 1 2 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
CCD
ADSC QUANTUM 210r
MIRRORS
2018-10-26
M
SINGLE WAVELENGTH
Radiation Source
ID #
Source
Type
Wavelength List
Synchrotron Site
Beamline
1
SYNCHROTRON
AUSTRALIAN SYNCHROTRON BEAMLINE MX1
0.9537
Australian Synchrotron
MX1
Data Collection
Overall
ID #
Resolution (High)
Resolution (Low)
Percent Possible (Observed)
R Merge I (Observed)
Rrim I (All)
Rpim I (All)
CC (Half)
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
3.19
49.115
99.5
0.141
0.151
0.054
0.996
11
7.7
250942
68.75
Highest Resolution Shell
ID #
Resolution (High)
Resolution (Low)
Percent Possible (All)
Percent Possible (Observed)
R Merge I (Observed)
Rrim I (All)
Rpim I (All)
CC (Half)
Mean I Over Sigma (Observed)
Redundancy
Number Unique Reflections (All)
1
3.19
3.25
96.5
0.773
0.829
0.299
0.833
7.5
Refinement
Statistics
Diffraction ID
Structure Solution Method
Cross Validation method
Starting model
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
MOLECULAR REPLACEMENT
THROUGHOUT
BSM complex18 (PDB code 5FEM) and the RSU of Thermotoga maritima16 (PDB code 2FGC).