4J35

Molecular Engineering of Organophosphate Hydrolysis Activity from a Weak Promiscuous Lactonase Template

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	8.5		0.01 M NiCl2, 0.1 M Tris pH 8.5, 8% PEG MME 2000, VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
3.26	62.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.853	α = 90
b = 61.853	β = 90
c = 204.786	γ = 120

Symmetry
Space Group	P 31 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					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA		SLS	X10SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.783	47.464	99.44				44253	2.09	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	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	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.783	47.464	2.09	44253	2212	99.53	0.2026	0.2013	0.2261

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]
0.2605			0.2605		-0.521

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.509
f_angle_d	1.477
f_chiral_restr	0.078
f_bond_d	0.015
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2417
Nucleic Acid Atoms
Solvent Atoms	173
Heterogen Atoms	2

Software

Software
Software Name	Purpose
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 R01GM133198.