2AQ7

Structure-activity relationships at the 5-posiiton of thiolactomycin: an intact 5(R)-isoprene unit is required for activity against the condensing enzymes from Mycobacterium tuberculosis and Escherichia coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	290	1.9 M Ammonium Sulfate, 0.1 M HEPES pH 7.5, 2% PEG400, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.6	51.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.118	α = 90
b = 138.997	β = 90
c = 212.458	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	170	CCD	MARRESEARCH	SI-220	2005-06-16	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97926	APS	22-ID

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	2.3	40	96.5	0.092	6	6.8	75836	75836			18

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)
	2.3	2.4	87.2		0.152	4.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	THROUGHOUT	PDB ENTRY 1FJ4	2.3	38.78	2	75836	71976	3800	96.15	0.18407	0.184	0.18173	0.2279	RANDOM	18.219

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	36.992
r_dihedral_angle_4_deg	20.418
r_dihedral_angle_3_deg	16.287
r_dihedral_angle_1_deg	5.546
r_scangle_it	1.594
r_angle_refined_deg	1.138
r_scbond_it	0.997
r_angle_other_deg	0.783
r_mcangle_it	0.668
r_mcbond_it	0.61
r_symmetry_vdw_other	0.207
r_nbd_refined	0.192
r_nbd_other	0.183
r_symmetry_hbond_refined	0.172
r_nbtor_refined	0.165
r_xyhbond_nbd_refined	0.132
r_symmetry_vdw_refined	0.119
r_nbtor_other	0.084
r_chiral_restr	0.067
r_mcbond_other	0.062
r_bond_refined_d	0.008
r_gen_planes_refined	0.003
r_bond_other_d	0.002
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11825
Nucleic Acid Atoms
Solvent Atoms	538
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
AMoRE	phasing