3R1K

Crystal structure of acetyltransferase Eis from Mycobacterium tuberculosis H37Rv in complex with CoA and an acetamide moiety

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	295	0.1 M Tris-HCl, 12% PEG 8000, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
3.93	68.72

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 174.935	α = 90
b = 174.935	β = 90
c = 124.686	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	CCD	MARMOSAIC 300 mm CCD		2010-11-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-D	0.9794	APS	21-ID-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.95	50	96.8				49243		2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	1.95	40	50766	49243	2622	97.58	0.1963	0.19482	0.22365	RANDOM	30.546

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]
-0.81	-0.41		-0.81		1.22

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	30.36
r_dihedral_angle_3_deg	18.256
r_dihedral_angle_4_deg	17.822
r_rigid_bond_restr	8.545
r_scbond_it	7.537
r_dihedral_angle_1_deg	5.903
r_scangle_it	5.74
r_sphericity_free	4.616
r_sphericity_bonded	4.349
r_mcangle_it	1.87
r_angle_refined_deg	1.542
r_mcbond_it	1.232
r_nbtor_refined	0.302
r_symmetry_vdw_refined	0.224
r_nbd_refined	0.204
r_symmetry_hbond_refined	0.15
r_xyhbond_nbd_refined	0.128
r_chiral_restr	0.112
r_bond_refined_d	0.013
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3048
Nucleic Acid Atoms
Solvent Atoms	291
Heterogen Atoms	52

Software

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