2HG4

Structure of the ketosynthase-acyltransferase didomain of module 5 from DEBS.

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	30% PEG4000, 0.2M Lithium Sulfate, 0.1M Tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.37	63.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 305.258	α = 90
b = 150.149	β = 110.03
c = 184.378	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 315	mirrors	2005-05-13	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.9392, 0.9793, 0.9789	SSRL	BL11-1

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	2.73	48.17	99.8	0.112	8.3	3.8	206652	206652			57.3

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	2.73	2.88	99.9		0.68	1.9	3.8	30114

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	MAD	THROUGHOUT	2.73	48.03	206602	196207	10395	99.75	0.2181	0.2181	0.21612	0.255	RANDOM	66.11

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]
-0.18		-4.51	0.62		-3.53

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.495
r_dihedral_angle_3_deg	20.575
r_dihedral_angle_4_deg	17.088
r_dihedral_angle_1_deg	7.147
r_scangle_it	1.619
r_angle_refined_deg	1.458
r_scbond_it	0.97
r_angle_other_deg	0.829
r_mcangle_it	0.772
r_mcbond_it	0.606
r_nbd_refined	0.232
r_symmetry_vdw_other	0.213
r_nbtor_refined	0.185
r_symmetry_vdw_refined	0.183
r_nbd_other	0.182
r_symmetry_hbond_refined	0.181
r_xyhbond_nbd_refined	0.154
r_mcbond_other	0.093
r_nbtor_other	0.089
r_chiral_restr	0.078
r_xyhbond_nbd_other	0.076
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_metal_ion_refined
r_metal_ion_other
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	39038
Nucleic Acid Atoms
Solvent Atoms	310
Heterogen Atoms	54

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
SHELX	phasing
RESOLVE	phasing