7W6W

Crystal structure of a mutant Staphylococcus equorum manganese superoxide dismutase L169W

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	293	MPD, PEG 1000, PEG 3350, L-Na-Glutamate, Alanine, Glycine, Lysine, Serine, HEPES, MOPS

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.57

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 55.245	α = 90
b = 136.527	β = 100.91
c = 55.506	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	PIXEL	DECTRIS PILATUS3 S 6M		2021-06-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-5A	1.0	Photon Factory	BL-5A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	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	1.94	45.51	98.9	0.048	0.058	0.032	0.998	14.4	3.3		58954

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.94	1.99	99.8		0.527	0.634	0.349	0.728		3.2

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	5x2j	1.94	42.59	56093	2825	98.86	0.2041	0.2015	0.2557	RANDOM	37.639

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]
0.15		-0.05	-0.15		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.489
r_dihedral_angle_3_deg	15.77
r_dihedral_angle_4_deg	11.059
r_dihedral_angle_1_deg	6.844
r_angle_refined_deg	1.63
r_angle_other_deg	1.373
r_chiral_restr	0.079
r_gen_planes_refined	0.009
r_bond_refined_d	0.001
r_gen_planes_other	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.489
r_dihedral_angle_3_deg	15.77
r_dihedral_angle_4_deg	11.059
r_dihedral_angle_1_deg	6.844
r_angle_refined_deg	1.63
r_angle_other_deg	1.373
r_chiral_restr	0.079
r_gen_planes_refined	0.009
r_bond_refined_d	0.001
r_gen_planes_other	0.001
r_bond_other_d

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	6376
Nucleic Acid Atoms
Solvent Atoms	209
Heterogen Atoms	10

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MOLREP	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.