8F4A

Crystal structure of acetyltransferase Eis from M. tuberculosis in complex with chlorhexidine

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3R1K

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		294	Tris-HCl pH 8.5 (0.1 M), PEG 8000 (10% w/v), (NH4)2SO4 (0.5 M)

Crystal Properties
Matthews coefficient	Solvent content
4.28	71.25

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.685	α = 90
b = 174.685	β = 90
c = 124.968	γ = 120

Symmetry
Space Group	H 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS EIGER X 16M		2022-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	CC (Half)	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	2.41	50	99.9	0.137	0.99	14	14		28319		2

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.41	2.45			0.91

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	3R1K	2.41	41.69	26621	1376	98.82	0.21357	0.21162	0.25277	RANDOM	34.332

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]
-1.38	-0.69		-1.38		4.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	26.05
r_dihedral_angle_4_deg	14.387
r_dihedral_angle_3_deg	13.274
r_dihedral_angle_1_deg	6.945
r_long_range_B_refined	4.763
r_long_range_B_other	4.76
r_scangle_other	3.096
r_mcangle_it	2.651
r_mcangle_other	2.65
r_scbond_it	1.804
r_scbond_other	1.804
r_mcbond_it	1.54
r_mcbond_other	1.539
r_angle_refined_deg	1.379
r_angle_other_deg	1.274
r_chiral_restr	0.057
r_gen_planes_refined	0.005
r_bond_refined_d	0.004
r_bond_other_d	0.002
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3020
Nucleic Acid Atoms
Solvent Atoms	90
Heterogen Atoms	23

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing