6GTJ

Neutron crystal structure for copper nitrite reductase from Achromobacter Cycloclastes at 1.8 A resolution

NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	297	1.2M Ammonium sulphate, Citrate buffer pH 5 all deuterium based

Crystal Properties
Matthews coefficient	Solvent content
2	35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.98	α = 90
b = 97.98	β = 90
c = 97.98	γ = 90

Symmetry
Space Group	P 21 3

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	293	DIFFRACTOMETER	LADI III		2015-07-24	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	ILL BEAMLINE LADI III	3.05 - 4.00	ILL	LADI III

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (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	1.8	40	85.5	0.063	7.9	6.5		24728

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.9	69.8		0.13	3.7	2.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	Mean Isotropic B
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2BW4	1.801	32.66	1.56	23020	1145	78.56	0.2339	0.2317	0.2764

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	15.798
f_angle_d	0.884
f_chiral_restr	0.063
f_plane_restr	0.005
f_bond_d	0.004

Software

Software
Software Name	Purpose
PHENIX	refinement
LaueView	data reduction
SCALA	data scaling
PHENIX	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.