Experiment: 3S9Z

Crystal structure of Mycobacterium tuberculosis malate synthase in complex with 4-(2-bromophenyl)-2,4-dioxobutanoic acid inhibitor

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1N8I	pdb entry 1N8I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	290	20% PEG 3350, 0.1 M magnesium chloride, 0.1 M TRIS-HCl , pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.452	α = 90
b = 79.452	β = 90
c = 226.263	γ = 90

Symmetry
Space Group	P 43 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	CCD	MARMOSAIC 300 mm CCD		2009-06-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-B	0.97933	APS	23-ID-B

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.63	45.05	99.7	0.192	0.196	13.8	8.9	73112	72929	2	2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.63	1.66	79		0.951	0.728	3.2	1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	pdb entry 1N8I	1.793	45.05	1.33	66563	3363	96.5	0.1776	0.1753	0.1746	0.2192	0.1712

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]
2.8759			2.8759		-5.7518

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.142
f_angle_d	1.024
f_chiral_restr	0.067
f_bond_d	0.007
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5469
Nucleic Acid Atoms
Solvent Atoms	859
Heterogen Atoms	18

Software

Software
Software Name	Purpose
PHENIX	refinement
REFMAC	refinement
PHENIX	model building
BUSTER	refinement
HKL-2000	data reduction
HKL-2000	data scaling
REFMAC	phasing
PHENIX	phasing
HKL-2000	data collection