8AZF

Crystal structure of K449E variant of S-adenosyl-L-homocysteine hydrolase from Pseudomonas aeruginosa in complex with adenosine

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		291	50 mM KH2PO4, 16% PEG 8000, 20% glycerol

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.23

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 142.881	α = 90
b = 85.916	β = 122.08
c = 111.824	γ = 90

Symmetry
Space Group	C 1 2 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	PIXEL	DECTRIS EIGER2 S 16M		2021-10-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)	0.9763	PETRA III, EMBL c/o DESY	P14 (MX2)

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	1.41	67.13	98.2	0.086	0.097	0.998	9.26	4.614		215913			26.146

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	1.41	1.5	96.7		2.121	2.398	0.302	0.82	4.611

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	6f3p	1.41	67.13	186719	1153	85.64	0.1673	0.1669	0.2246	RANDOM	16.762

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]
-0.6		-0.01	-0.49		0.62

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.019
r_dihedral_angle_4_deg	18.769
r_dihedral_angle_3_deg	14.491
r_dihedral_angle_1_deg	7.135
r_rigid_bond_restr	3.37
r_angle_refined_deg	1.824
r_angle_other_deg	1.528
r_chiral_restr	0.098
r_bond_refined_d	0.014
r_gen_planes_refined	0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.019
r_dihedral_angle_4_deg	18.769
r_dihedral_angle_3_deg	14.491
r_dihedral_angle_1_deg	7.135
r_rigid_bond_restr	3.37
r_angle_refined_deg	1.824
r_angle_other_deg	1.528
r_chiral_restr	0.098
r_bond_refined_d	0.014
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7096
Nucleic Acid Atoms
Solvent Atoms	1709
Heterogen Atoms	138

Software

Software
Software Name	Purpose
XDS	data reduction
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
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.