3GWE

2.1 Angstrom crystal structure of 3-oxoacyl-(acyl-carrier-protein) synthase III

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.3	289	200mM Citric Acid, 20% PEG 3350 50 mg/ml, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.81

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 87.67	α = 90
b = 87.67	β = 90
c = 167.37	γ = 120

Symmetry
Space Group	P 31 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	RIGAKU SATURN 944	mirrors	2009-03-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU FR-E+ SUPERBRIGHT	1.5418

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	2.1	18.98	96.8	0.107	17.41			42882		-3	31.38

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	2.1	2.15	76		0.673	2

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	MOLECULAR REPLACEMENT	THROUGHOUT	3GWA	2.1	18.98	42880	2176		0.177	0.175	0.213	RANDOM	18.98

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]
					0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.018
r_dihedral_angle_4_deg	14.665
r_dihedral_angle_3_deg	13.225
r_dihedral_angle_1_deg	6.227
r_scangle_it	2.206
r_scbond_it	1.316
r_angle_refined_deg	1.149
r_mcangle_it	0.917
r_angle_other_deg	0.84
r_mcbond_it	0.482
r_mcbond_other	0.079
r_chiral_restr	0.069
r_bond_refined_d	0.008
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5063
Nucleic Acid Atoms
Solvent Atoms	487
Heterogen Atoms

Software

Software
Software Name	Purpose
StructureStudio	data collection
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XSCALE	data scaling