3P7X

Crystal structure of an atypical two-cysteine peroxiredoxin (SAOUHSC_01822) from Staphylococcus aureus NCTC8325

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	298	2.0M AMMONIUM SULPHATE, 0.1M NA-HEPES PH 7, 2% (V/V) PEG 400, VAPOR DIFFUSION, SITTING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.5	α = 90
b = 149.356	β = 104.43
c = 73.736	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV++	Mirrors	2009-07-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.5418

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	1.956	74.678	92.9	0.047	14.7	3.3	60849	60849

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.96	2.06	71.5		0.341	0.341	0.465	0.273	2.3	2.5	6820

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 1PSQ	1.96	19.85	60800	3072	92.71	0.1702	0.1683	0.2057	RANDOM	29.418

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]
1.71		0.55	-1.07		-0.37

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.91
r_dihedral_angle_4_deg	15.735
r_dihedral_angle_3_deg	15.52
r_dihedral_angle_1_deg	7.078
r_scangle_it	4.85
r_scbond_it	3.106
r_angle_refined_deg	1.932
r_mcangle_it	1.785
r_mcbond_it	1.095
r_chiral_restr	0.166

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.91
r_dihedral_angle_4_deg	15.735
r_dihedral_angle_3_deg	15.52
r_dihedral_angle_1_deg	7.078
r_scangle_it	4.85
r_scbond_it	3.106
r_angle_refined_deg	1.932
r_mcangle_it	1.785
r_mcbond_it	1.095
r_chiral_restr	0.166
r_bond_refined_d	0.025
r_gen_planes_refined	0.011

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5050
Nucleic Acid Atoms
Solvent Atoms	475
Heterogen Atoms	221

Software

Software
Software Name	Purpose
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
StructureStudio	data collection
XDS	data reduction
MOLREP	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.