6WYZ

Crystal structure of Pseudomonas 7A Glutaminase-Asparaginase (mutant K173M) in complex with D-Glu at pH 5.5

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4PGA	PDB entry 4PGA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	0.1 M magnesium chloride, 50 mM Bis-Tris, pH 5.5, 20% w/v PEG3350

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 81.282	α = 90
b = 81.282	β = 90
c = 176.703	γ = 120

Symmetry
Space Group	P 31

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	DECTRIS EIGER X 16M		2019-11-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	1.0	APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim 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	1.7	39.61	99.6	0.088	0.03	0.995	27.4	9.5		142831

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.7	1.75	98.8		1.092	0.452	0.66	1.9	6.4

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	PDB entry 4PGA	1.7	39.61	137133	3728	98.15	0.1725	0.1714	0.2148	RANDOM	17.784

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]
					0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.47
r_dihedral_angle_4_deg	17.01
r_dihedral_angle_3_deg	14.72
r_dihedral_angle_1_deg	6.865
r_angle_refined_deg	2.233
r_angle_other_deg	1.571
r_chiral_restr	0.121
r_bond_refined_d	0.02
r_gen_planes_refined	0.014
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.47
r_dihedral_angle_4_deg	17.01
r_dihedral_angle_3_deg	14.72
r_dihedral_angle_1_deg	6.865
r_angle_refined_deg	2.233
r_angle_other_deg	1.571
r_chiral_restr	0.121
r_bond_refined_d	0.02
r_gen_planes_refined	0.014
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9494
Nucleic Acid Atoms
Solvent Atoms	1274
Heterogen Atoms	40

Software

Software
Software Name	Purpose
HKL-3000	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data reduction
PHASER	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.