3PFE

Crystal structure of a M20A metallo peptidase (dapE, lpg0809) from Legionella pneumophila subsp. pneumophila str. philadelphia 1 at 1.50 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6	277	20.00% polyethylene glycol 6000, 1.00M lithium chloride, 0.1M MES pH 6.0, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.53	51.32

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 59.388	α = 90
b = 178.6	β = 90
c = 50.803	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	MARMOSAIC 325 mm CCD		2010-05-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL14-1		SSRL	BL14-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.5	29.767	100	0.098	8.5	4.9	87563	87563			16.089

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	1.5	1.54	100		0.772	0.772	1	4.9	6386

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	SAD	THROUGHOUT	1.5	29.767	87480	4389	99.99	0.1389	0.1376	0.163	RANDOM	21.667

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]
-0.01			-0.15		0.16

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.48
r_dihedral_angle_4_deg	15.738
r_dihedral_angle_3_deg	12.159
r_dihedral_angle_1_deg	6.367
r_scangle_it	6.137
r_scbond_it	4.199
r_mcangle_it	2.501
r_angle_refined_deg	1.578
r_mcbond_it	1.519
r_angle_other_deg	0.927

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.48
r_dihedral_angle_4_deg	15.738
r_dihedral_angle_3_deg	12.159
r_dihedral_angle_1_deg	6.367
r_scangle_it	6.137
r_scbond_it	4.199
r_mcangle_it	2.501
r_angle_refined_deg	1.578
r_mcbond_it	1.519
r_angle_other_deg	0.927
r_mcbond_other	0.463
r_chiral_restr	0.099
r_bond_refined_d	0.017
r_gen_planes_refined	0.008
r_gen_planes_other	0.002
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3676
Nucleic Acid Atoms
Solvent Atoms	526
Heterogen Atoms	84

Software

Software
Software Name	Purpose
SHELX	phasing
REFMAC	refinement
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction
SHELXD	phasing
autoSHARP	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.