Experiment: 4J2M

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	6.5		0.1 M MES pH 6.5, 1.3 M MgSO4, VAPOR DIFFUSION

Crystal Properties
Matthews coefficient	Solvent content
3.24	61.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.779	α = 90
b = 61.779	β = 90
c = 203.707	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	PIXEL	DECTRIS PILATUS 6M			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X10SA	1.0	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	1.79	47.37	99.1				43548	2	2.5

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.786	47.365	2.02	43548	2180	99.2	0.2211	0.2195	0.2176	0.2505	0.2471	5%

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]
6.6927			6.6927		-13.3853

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	14.465
f_angle_d	1.337
f_chiral_restr	0.073
f_bond_d	0.012
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2427
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	2

Software

Software
Software Name	Purpose
PHENIX	refinement