5BQ2

Crystal structure of UDP-N-acetylglucosamine 1-carboxyvinyltransferase (UDP-N-acetylglucosamine enolpyruvyl transferase, EPT) from Pseudomonas aeruginosa

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3VCY	PDB entry 3vcy modified with CCP4 program CHAINSAW

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		290	Microlytics MCSG1 A11: 10% PEG 4000, 200mM MgCl2, 100mM MES/NaOH pH 6.5, PsaeA.00952.a.B1.PS02212 at 17mg/ml + 3mM UDP-N-acetylglucosamine + 3mM phosphoenolpyruvate, cryo: 20% EG in 2 steps; tray 260011a11, puck fvw9-7

Crystal Properties
Matthews coefficient	Solvent content
2.42	49

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 130.17	α = 90
b = 166.81	β = 90
c = 81.45	γ = 90

Symmetry
Space Group	P 21 21 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	RAYONIX MX-225		2015-04-02	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)	Rrim I (All)	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	1.7	50	99.3	0.083	0.095	12.07	4	194666	193295		-3	13

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.74	99.7		0.459	0.526	2.88	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	FREE R-VALUE	PDB entry 3vcy modified with CCP4 program CHAINSAW	1.7	43.414	1.36	193266	9570	99.29	0.1501	0.1484	0.1809	Random selection	17.1776

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
f_dihedral_angle_d	12.6
f_angle_d	1.169
f_chiral_restr	0.051
f_bond_d	0.008
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12630
Nucleic Acid Atoms
Solvent Atoms	2060
Heterogen Atoms	182

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
PHASER	phasing
ARP	model building
Coot	model building
PHENIX	refinement

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.