3C8W

Crystal structure of acetoacetate decarboxylase (ADC) (YP_094708.1) from Legionella pneumophila subsp. pneumophila str. Philadelphia 1 at 1.60 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.6	277	NANODROP, 0.5M (NH4)2SO4, 1.0M Li2SO4, 0.1M Citrate pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.58	52.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 104.1	α = 90
b = 104.1	β = 90
c = 189.64	γ = 120

Symmetry
Space Group	P 63

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	MARMOSAIC 325 mm CCD	Flat mirror (vertical focusing)	2007-12-10	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL11-1	0.91837, 0.97901	SSRL	BL11-1

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	1.6	29.683	80.8	0.075	11.27			142031		-3	24.188

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	1.6	1.66	66.3		0.622	1.4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	1.6	29.683	142031	7169	93.04	0.195	0.193	0.228	RANDOM	17.024

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]
-0.06	-0.03		-0.06		0.1

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.738
r_dihedral_angle_4_deg	17.14
r_dihedral_angle_3_deg	12.352
r_scangle_it	6.281
r_dihedral_angle_1_deg	5.575
r_scbond_it	4.337
r_mcangle_it	2.581
r_angle_refined_deg	1.716
r_mcbond_it	1.705
r_angle_other_deg	1.044

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.738
r_dihedral_angle_4_deg	17.14
r_dihedral_angle_3_deg	12.352
r_scangle_it	6.281
r_dihedral_angle_1_deg	5.575
r_scbond_it	4.337
r_mcangle_it	2.581
r_angle_refined_deg	1.716
r_mcbond_it	1.705
r_angle_other_deg	1.044
r_mcbond_other	0.678
r_chiral_restr	0.097
r_bond_refined_d	0.016
r_gen_planes_refined	0.007
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7780
Nucleic Acid Atoms
Solvent Atoms	711
Heterogen Atoms	52

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SHELX	phasing
MolProbity	model building
XSCALE	data scaling
PDB_EXTRACT	data extraction
MAR345	data collection
XDS	data reduction
SHELXD	phasing
autoSHARP	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 R01GM133198.