3FGN

Crystal structure of dethiobiotin synthetase in Mycobacterium tuberculosis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	1M sodium citrate, 0.1M imidazole, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.17	43.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.383	α = 90
b = 104.684	β = 90
c = 151.392	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	120	IMAGE PLATE	RIGAKU RAXIS IV++			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	OTHER	1.541

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	1.85	31.7	99	0.059	17.2	4.4		73740

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	1.85	1.95	93.7		0.5	1.4	2.7

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	SAD	THROUGHOUT	1.85	31.7	70111	3705	97.12	0.21632	0.21436	0.25332	RANDOM	35.247

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]
1.48			0.8		-2.28

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.979
r_dihedral_angle_4_deg	21.881
r_dihedral_angle_3_deg	19.127
r_scangle_it	6.161
r_dihedral_angle_1_deg	5.822
r_scbond_it	4.588
r_mcangle_it	3.196
r_mcbond_it	2.295
r_angle_refined_deg	1.26
r_nbtor_refined	0.308
r_symmetry_hbond_refined	0.246
r_symmetry_vdw_refined	0.228
r_nbd_refined	0.208
r_xyhbond_nbd_refined	0.18
r_chiral_restr	0.087
r_bond_refined_d	0.01
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6318
Nucleic Acid Atoms
Solvent Atoms	320
Heterogen Atoms

Software

Software
Software Name	Purpose
CrystalClear	data collection
SHARP	phasing
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling