4W1V

Crystal structure of 7,8-diaminopelargonic acid synthase (BioA) from Mycobacterium tuberculosis, complexed with a thiazole inhibitor

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	Protein: 25 mM HEPES, 50 mM NaCl, 0.1 mM TCEP Reservoir:9% PEG 8000, 0.1M magnesium chloride, 0.1M HEPES Cryo: 15% PEG 400 in reservoir solution

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.039	α = 90
b = 66.237	β = 90
c = 204.239	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	193	CCD	RIGAKU SATURN 944+		2013-10-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	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	2.24	102.12	96.1	0.089	10.2	3.2	41863	41863

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	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	2.24	102.12	40217	2023	96.05	0.1719	0.1698	0.2099	RANDOM	20.714

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]
-0.26			-0.28		0.54

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.625
r_dihedral_angle_4_deg	16.653
r_dihedral_angle_3_deg	14.159
r_dihedral_angle_1_deg	5.645
r_angle_refined_deg	1.351
r_chiral_restr	0.079
r_bond_refined_d	0.009
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6387
Nucleic Acid Atoms
Solvent Atoms	383
Heterogen Atoms	102

Software

Software
Software Name	Purpose
StructureStudio	data collection
d*TREK	data reduction
d*TREK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
PHASER	phasing
d*TREK	data reduction
d*TREK	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.