3LAY

Alpha-Helical barrel formed by the decamer of the zinc resistance-associated protein (STM4172) from Salmonella enterica subsp. enterica serovar Typhimurium str. LT2

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	6.5	295	0.2 M Sodium chloride, 0.1 M Bis-tris, 25 % (w/v) PEG 3350, 0.2 mM Zn acetate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.795	α = 90
b = 148.91	β = 90
c = 74.536	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 300 mm CCD	beryllium lenses	2009-11-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97872	APS	21-ID-G

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	2.7	83.33	99.9	0.07	40.9	7.3	31571	31571		-3	65.8

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	2.7	2.75	100		0.48	3.9	6.4

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACMENT	THROUGHOUT	2.7	30	31571	29891	1586	99.71	0.22486	0.22263	0.2672	RANDOM	29.7

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]
-0.49			1.63		-1.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.365
r_dihedral_angle_4_deg	18.532
r_dihedral_angle_3_deg	15.526
r_scangle_it	5.908
r_scbond_it	3.564
r_mcangle_it	2.657
r_dihedral_angle_1_deg	2.602
r_angle_refined_deg	1.622
r_mcbond_it	1.417
r_angle_other_deg	0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	32.365
r_dihedral_angle_4_deg	18.532
r_dihedral_angle_3_deg	15.526
r_scangle_it	5.908
r_scbond_it	3.564
r_mcangle_it	2.657
r_dihedral_angle_1_deg	2.602
r_angle_refined_deg	1.622
r_mcbond_it	1.417
r_angle_other_deg	0.92
r_mcbond_other	0.259
r_chiral_restr	0.09
r_bond_refined_d	0.018
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5936
Nucleic Acid Atoms
Solvent Atoms	64
Heterogen Atoms

Software

Software
Software Name	Purpose
Blu-Ice	data collection
MLPHARE	phasing
DM	model building
SHELXD	phasing
RESOLVE	model building
CCP4	model building
ARP/wARP	model building
Coot	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-3000	data scaling
DM	phasing
RESOLVE	phasing
CCP4	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.