2A7M

1.6 Angstrom Resolution Structure of the Quorum-Quenching N-Acyl Homoserine Lactone Hydrolase of Bacillus thuringiensis

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	glycerol, tris-hcl, peg4000, magnesium chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.6	α = 90
b = 55.551	β = 90
c = 80.094	γ = 90

Symmetry
Space Group	P 21 21 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	ADSC QUANTUM 315		2005-04-25	M	SINGLE WAVELENGTH
2	1	x-ray		CCD	ADSC QUANTUM 4		2005-02-21	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.8265	SSRL	BL11-1
2	SYNCHROTRON	APS BEAMLINE 14-BM-D	1.2827	APS	14-BM-D

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	1.6	50	99.7	0.055	0.055	36.8	7.1		32757			27

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1,2	1.6	1.686	80.49		0.87	0.87	2.4	7	3603

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	1.6	45.64	28550	28550	1420	91.22	0.17171	0.17171	0.16976	0.21068	RANDOM	26.651

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]
0.85			-0.96		0.11

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.409
r_dihedral_angle_4_deg	19.213
r_dihedral_angle_3_deg	14.294
r_dihedral_angle_1_deg	6.189
r_scangle_it	5.173
r_scbond_it	3.712
r_mcangle_it	2.29
r_mcbond_it	1.734
r_angle_refined_deg	1.305
r_nbtor_refined	0.31

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	31.409
r_dihedral_angle_4_deg	19.213
r_dihedral_angle_3_deg	14.294
r_dihedral_angle_1_deg	6.189
r_scangle_it	5.173
r_scbond_it	3.712
r_mcangle_it	2.29
r_mcbond_it	1.734
r_angle_refined_deg	1.305
r_nbtor_refined	0.31
r_symmetry_vdw_refined	0.204
r_nbd_refined	0.201
r_xyhbond_nbd_refined	0.114
r_symmetry_hbond_refined	0.102
r_chiral_restr	0.085
r_metal_ion_refined	0.033
r_bond_refined_d	0.009
r_gen_planes_refined	0.005

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1989
Nucleic Acid Atoms
Solvent Atoms	181
Heterogen Atoms	50

Software

Software
Software Name	Purpose
REFMAC	refinement
Blu-Ice	data collection
SCALEPACK	data scaling
SOLVE	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.