7CB3

Crystal structure of type III polyketide synthase from Mycobacterium marinum

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	20% (w/v) Polyethylene glycol 3000 and 100 mM HEPES pH 7.5

Crystal Properties
Matthews coefficient	Solvent content
3.48	64.7

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.407	α = 90
b = 131.407	β = 90
c = 187.187	γ = 120

Symmetry
Space Group	H 3

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 225 mm CCD		2016-02-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	0.95372	ESRF	BM14

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	2.306	72.287	90.4	0.058	0.064	0.027	0.999	17.9	5.4		28212

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	2.306	2.487	68		0.56	0.747	0.487	0.576	1.4	2.3

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1TED	2.31	72.287	26660	1552	53.05	0.19896	0.19787	0.21743	RANDOM	58.669

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]
1.2	0.6		1.2		-3.9

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.763
r_dihedral_angle_4_deg	21.927
r_dihedral_angle_3_deg	15.275
r_dihedral_angle_1_deg	6.29
r_long_range_B_refined	5.719
r_long_range_B_other	5.719
r_scangle_other	2.741
r_mcangle_it	2.295
r_mcangle_other	2.295
r_scbond_it	1.718
r_scbond_other	1.718
r_angle_refined_deg	1.524
r_mcbond_it	1.4
r_mcbond_other	1.386
r_angle_other_deg	0.973
r_chiral_restr	0.083
r_bond_refined_d	0.011
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002
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_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5263
Nucleic Acid Atoms
Solvent Atoms	76
Heterogen Atoms	64

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data processing
Aimless	data scaling
PHASER	phasing