9BW2 | pdb_00009bw2

Neutron Structure of Reduced Tyr34Phe MnSOD

NEUTRON DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	5VF9

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	COUNTER-DIFFUSION		298	Crystal was grown using capillary counter-diffusion in microgravity. Protein solution was concentrated to 25 mg/ml and the precipitating agent was 4 M potassium phosphate pH 7.8

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 79.4	α = 90
b = 79.4	β = 90
c = 238.43	γ = 120

Symmetry
Space Group	P 61 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	100	DIFFRACTOMETER	ORNL ANGER CAMERA		2021-07-19	L	LAUE

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SPALLATION SOURCE	ORNL Spallation Neutron Source BEAMLINE MANDI	2-4	ORNL Spallation Neutron Source	MANDI

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.5	14.55	91.3	0.106	0.766	6.6	8.3		14940

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.58			0.112	0.117

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.5	14.55	1.83	14809	741	91.87	0.2952	0.2933	0.3304	15.36

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	12.4644
f_angle_d	0.5219
f_chiral_restr	0.0423
f_bond_d	0.0063
f_plane_restr	0.0038

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 R01GM157729.