4RS2

1.55 Angstrom Crystal Structure of GNAT Family N-acetyltransferase (YhbS) from Escherichia coli in Complex with CoA

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	295	Protein: 7.8mg/ml, 0.25M Sodium chloride, 0.01M Tris-HCl (pH 8.3); Screen: PACT (D2), 0.1M MMT buffer (pH 5.0), 25% (w/v) PEG 1500, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
1.94	36.76

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 32.863	α = 80.4
b = 44.658	β = 80.25
c = 57.023	γ = 90.17

Symmetry
Space Group	P 1

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 225 mm CCD	Beryllium lenses	2014-04-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-F	0.97872	APS	21-ID-F

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	1.55	30	96.7	0.075	0.075	16.2	3.9	44460	44460		-3	16.6

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	1.55	1.58	95		0.544	0.544	2.7	3.9	2148

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	1.55	27.69	41929	41929	2236	96.63	0.16621	0.16425	0.20328	RANDOM	17.316

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]
-0.48	-0.3	0.03	0.38	0.26	0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.777
r_dihedral_angle_4_deg	15.459
r_dihedral_angle_3_deg	11.588
r_long_range_B_refined	6.181
r_long_range_B_other	5.931
r_dihedral_angle_1_deg	3.947
r_scangle_other	2.487
r_mcangle_it	1.872
r_mcangle_other	1.872
r_angle_refined_deg	1.65
r_scbond_it	1.592
r_scbond_other	1.591
r_mcbond_it	1.128
r_mcbond_other	1.125
r_angle_other_deg	0.771
r_chiral_restr	0.096
r_bond_refined_d	0.011
r_gen_planes_refined	0.007
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2844
Nucleic Acid Atoms
Solvent Atoms	458
Heterogen Atoms	96

Software

Software
Software Name	Purpose
Blu-Ice	data collection
PHENIX	model building
REFMAC	refinement
HKL-3000	data reduction
HKL-3000	data scaling
PHENIX	phasing