6L46

High-resolution neutron and X-ray joint refined structure of copper-containing nitrite reductase from Geobacillus thermodenitrificans

X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.6	293	0.1 M acetate buffer pH 4.6, 5.5% (w/v) PEG 4000, and 50 mM CuSO4

Crystal Properties
Matthews coefficient	Solvent content
2.96	58.41

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 114.212	α = 90
b = 114.212	β = 90
c = 83.688	γ = 120

Symmetry
Space Group	H 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 2M-F		2018-12-16	M	SINGLE WAVELENGTH
2	1	neutron	100	DIFFRACTOMETER	iBIX		2018-11-26	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE AR-NE3A	1.0000	Photon Factory	AR-NE3A
2	SPALLATION SOURCE	J-PARC MLF BEAMLINE BL-03	2.15-4.89	JPARC MLF	BL-03

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	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	1.03	42.58	99.9	0.065			0.021			21.2	9.6		201251
2	1.5	17.38	99.7	0.23			0.097			9.5	6.6		64997			6.1

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	R Merge I (Observed)	R-Sym I (Observed)	Rrim I (All)	Rpim I (All)	CC (Half)	R Split (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.03	1.05		0.641			0.253	0.907		3.5	7.1
2	1.5	1.59		0.608			0.285	0.782		2.2	5.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.3	34.13		2		100127	2516	100		0.0978	0.0973	0.1117		15.48
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	1.5	17.071				64964	2006	99.69		0.1421	0.1416	0.1586

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
f_dihedral_angle_d	21.0391
f_dihedral_angle_d	21.0391
f_angle_d	1.0535
f_angle_d	1.0535
f_chiral_restr	0.0904
f_chiral_restr	0.0904
f_bond_d	0.008
f_bond_d	0.008
f_plane_restr	0.0075
f_plane_restr	0.0075

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2314
Nucleic Acid Atoms
Solvent Atoms	458
Heterogen Atoms	14

Software

Software
Software Name	Purpose
PHENIX	refinement
SCALA	data scaling
MOLREP	phasing
PDB_EXTRACT	data extraction
STARGazer	data reduction

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.