7QQ2

CRYSTAL STRUCTURE OF AS-ISOLATED S321M MUTANT OF THREE-DOMAIN HEME-CU NITRITE REDUCTASE FROM RALSTONIA PICKETTII

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.7	277	100 mM bis-tris propane pH 7.7, 200 mM sodium citrate, and 22% PEG 3350

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 180.14	α = 90
b = 180.14	β = 90
c = 180.14	γ = 90

Symmetry
Space Group	I 21 3

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 PILATUS 6M-F	MIRRORS	2020-02-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	DIAMOND BEAMLINE I04-1	0.91260	Diamond	I04-1

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	2.1	73.65	100	0.114	0.129	0.06	0.996	8.1	4.6		56514			29.7

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	2.1	2.16	100		1.011	1.141	0.522	0.546	1.5	4.7

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	3ZIY	2.1	73.65	53484	2974	99.92	0.1551	0.1534	0.1861	RANDOM	34.351

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.811
r_dihedral_angle_4_deg	21.84
r_dihedral_angle_3_deg	12.967
r_dihedral_angle_1_deg	7.755
r_angle_refined_deg	1.933
r_angle_other_deg	1.412
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.01
r_gen_planes_other	0.003

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.811
r_dihedral_angle_4_deg	21.84
r_dihedral_angle_3_deg	12.967
r_dihedral_angle_1_deg	7.755
r_angle_refined_deg	1.933
r_angle_other_deg	1.412
r_chiral_restr	0.095
r_bond_refined_d	0.013
r_gen_planes_refined	0.01
r_gen_planes_other	0.003
r_bond_other_d	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3437
Nucleic Acid Atoms
Solvent Atoms	433
Heterogen Atoms	45

Software

Software
Software Name	Purpose
REFMAC	refinement
xia2	data reduction
Aimless	data scaling
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.