Experiment: 3HWP

Crystal structure and computational analyses provide insights into the catalytic mechanism of 2, 4-diacetylphloroglucinol hydrolase PhlG from Pseudomonas fluorescens

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	289	20% polyethylene glycol 4,000, 17% isopropanol, 0.1 M sodium citrate, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.77	55.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 124.785	α = 90
b = 132.612	β = 90
c = 95.059	γ = 90

Symmetry
Space Group	C 2 2 21

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	MAR CCD 165 mm		2008-01-05	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BSRF BEAMLINE 3W1A	0.9794, 0.9799, 0.9752	BSRF	3W1A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2	30	99.1	0.103	18.1	6.7		53600			23.54

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07	93.4		0.447	2.3	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)	Mean Isotropic B
X-RAY DIFFRACTION	MAD	2	25.991	1.34	52895	2680	98.74	0.1912	0.1899	0.1854	0.2174	0.2122	27.544

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]
-9.798			14.886		-5.583

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	17.04
f_angle_d	1.06
f_chiral_restr	0.074
f_bond_d	0.006
f_plane_restr	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4682
Nucleic Acid Atoms
Solvent Atoms	272
Heterogen Atoms	4

Software

Software
Software Name	Purpose
MAR345	data collection
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling