7S45

Crystal structure of an N-acetyltransferase, C80T mutant, from Helicobacter pullorum in the presence of Acetyl Coenzyme A and dTDP

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7S3U

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7	293	20% PEG-8000, 2% MPD, 5 mM dTDP, 5 mM acetyl coenzyme A, 100 mM MOPS

Crystal Properties
Matthews coefficient	Solvent content
2.54	51.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.452	α = 90
b = 103.452	β = 90
c = 103.452	γ = 90

Symmetry
Space Group	I 2 3

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	Bruker PHOTON II		2021-04-28	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SEALED TUBE	BRUKER D8 QUEST	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.2	50	99.9	0.047	13.7	12		57433

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.2	1.3	99.8		0.247	4.2	8.4

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	7s3u	1.2	32.74	54628	2805	99.94	0.175	0.1743	0.1893	RANDOM	10.013

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_4_deg	29.705
r_dihedral_angle_2_deg	25.273
r_dihedral_angle_3_deg	13.412
r_dihedral_angle_1_deg	7.467
r_angle_refined_deg	1.596
r_angle_other_deg	1.317
r_chiral_restr	0.393
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_gen_planes_other	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_4_deg	29.705
r_dihedral_angle_2_deg	25.273
r_dihedral_angle_3_deg	13.412
r_dihedral_angle_1_deg	7.467
r_angle_refined_deg	1.596
r_angle_other_deg	1.317
r_chiral_restr	0.393
r_bond_refined_d	0.01
r_gen_planes_refined	0.008
r_gen_planes_other	0.001
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1071
Nucleic Acid Atoms
Solvent Atoms	203
Heterogen Atoms	126

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
SAINT	data reduction
SADABS	data scaling
REFMAC	phasing

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 R01GM157729.