3STV

Crystal Structure of tomato Methylketone Synthase I complexed with 3-hydroxyoctanoate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	0.1M PIPES-Na+, 22% (w/v) PEG 8000, 0.3M NaBr, 2mM dithiothreitol, 4 hr soak in 1mM 3-hydroxyoctanoate, pH 6.5, vapor diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.29	46.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.038	α = 90
b = 92.38	β = 97.56
c = 60.596	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	CCD	ADSC QUANTUM 315		2006-01-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL1-5	0.97944	SSRL	BL1-5

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	19.6	99.1	0.14	8.85	3.1	26450	26450		-3	27.97

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	2.3	99.1		0.517	2.49	3.1	932

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	7YAS	2.2	19.6	26450	26450	1319	99.1	0.22	0.222	0.2022	0.2357	RANDOM	25.5093

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.795		-0.505	-1.548		0.753

RMS Deviations
Key	Refinement Restraint Deviation
c_scangle_it	4.278
c_scbond_it	3.053
c_mcangle_it	2.994
c_mcbond_it	1.984

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3975
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	12

Software

Software
Software Name	Purpose
XSCALE	data scaling
CNS	refinement
PDB_EXTRACT	data extraction
Blu-Ice	data collection
XDS	data reduction
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.