8EWA

Crystal Structure of UDP-N-acetylmuramate-L-alanine ligase (UDP-N-acetylmuramoyl-L-alanine synthetase, MurC) Pseudomonas aeruginosa in complex with ligand AZ-13644923

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.9	287	Molecular Dimensions Morpheus II, optimization screen around condition A1 and A10: 100mM Tris base/HCl pH 8.6, 11% (w/V) PEG 4000, 18% (V/V) 1,2,4-butanetriol, 30mM lithum sulfate, 30mM potassium sulfate: PseaA.00137.b.B5.PW39129 at 12mg/ml + 1mM BSI111803 / AZ13644923: tray: 325495b11: cryo: direct: puck tui7-6

Crystal Properties
Matthews coefficient	Solvent content
2.23	44.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 71.27	α = 90
b = 76.95	β = 90
c = 110.23	γ = 90

Symmetry
Space Group	P 21 21 21

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-300		2022-10-06	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)	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	1.85	50	100	0.074	0.079	0.998	16.44	7.314		52456			32.163

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.85	1.9	100		0.634	0.682	0.909	3.33	7.387

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	8EGN, same crystal form	1.85	47.24	1.36	52453	2037	99.97	0.169	0.1672	0.2145	0	29.73

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	14.4782
f_angle_d	0.9567
f_chiral_restr	0.0647
f_bond_d	0.0083
f_plane_restr	0.0083

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4482
Nucleic Acid Atoms
Solvent Atoms	477
Heterogen Atoms	91

Software

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

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 R01GM133198.