Experiment: 4GY1

Round 18 Arylesterase Variant of Phosphotriesterase with Bound Cacodylate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277.15	30% MPD, 2% PEG 8K, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277.15K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.223	α = 90
b = 87.019	β = 90
c = 88.939	γ = 90

Symmetry
Space Group	P 21 21 2

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	ADSC QUANTUM 315r		2009-12-12	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.9395	ESRF	ID14-4

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	1.5	44.47	99.9			107473	107366			14.82

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	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	1.5	39.598	1.34	107366	107280	5353	99.8	0.1951	0.1951	0.1941	0.1889	0.2149	0.2107	RANDOM	19.2813

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]
-0.9311			4.894		-3.9629

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.307
f_angle_d	1.128
f_chiral_restr	0.07
f_bond_d	0.007
f_plane_restr	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5039
Nucleic Acid Atoms
Solvent Atoms	579
Heterogen Atoms	16

Software

Software
Software Name	Purpose
DNA	data collection
MOLREP	phasing
PHENIX	refinement
XDS	data reduction
SCALA	data scaling