3U0F

The structure of Beta-ketoacyl synthase from Brucella melitensis bound to the fragment 7-hydroxycoumarin

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3LRF

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	289	BrabA.00113.a at 22.94 mg/ml. 0.2M Sodium malonate, 0.1M Bis tris propane pH8.5, 20% PEG3350. BrabA.00113.a.A1 PW25441, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.39	48.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.56	α = 90
b = 83.25	β = 121.2
c = 73.81	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	MARMOSAIC 300 mm CCD		2010-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

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	1.25	39.275	97.8	0.061	15.27			109758		-3	13.707

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	1.25	1.28	93		0.35	3.63

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	Direct phasing from previous structure	THROUGHOUT	3LRF	1.25	39.275	109671	5497	97.97	0.1226	0.122	0.1341	RANDOM	10.2718

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]
		0.02	-0.01		0.03

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.838
r_dihedral_angle_4_deg	16.157
r_sphericity_free	14.457
r_dihedral_angle_3_deg	11.343
r_rigid_bond_restr	9.49
r_dihedral_angle_1_deg	6.175
r_sphericity_bonded	3.872
r_angle_other_deg	1.713
r_angle_refined_deg	1.326
r_chiral_restr	0.078

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.838
r_dihedral_angle_4_deg	16.157
r_sphericity_free	14.457
r_dihedral_angle_3_deg	11.343
r_rigid_bond_restr	9.49
r_dihedral_angle_1_deg	6.175
r_sphericity_bonded	3.872
r_angle_other_deg	1.713
r_angle_refined_deg	1.326
r_chiral_restr	0.078
r_bond_refined_d	0.008
r_gen_planes_refined	0.006
r_gen_planes_other	0.004
r_bond_other_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3016
Nucleic Acid Atoms
Solvent Atoms	520
Heterogen Atoms	19

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
REFMAC	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.