6TAE

Neutron structure of ferric ascorbate peroxidase

X-RAY DIFFRACTION - NEUTRON DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		300	Lithium Sulfate HEPES

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 82.904	α = 90
b = 82.904	β = 90
c = 75.868	γ = 90

Symmetry
Space Group	P 42 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	neutron	100	IMAGE PLATE	MAATEL IMAGINE		2017-10-01	L	LAUE
2	1	x-ray	100	CCD	RIGAKU SATURN 944+		2017-10-30	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	NUCLEAR REACTOR	ILL BEAMLINE LADI III	2.87-3.4	ILL	LADI III
2	ROTATING ANODE	RIGAKU MICROMAX-007 HF	1.54

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	2.2	36.68	77.5	0.1						5.9	3.3		10136
2	1.9	20.11	99.9	0.1						11.1	11.2		21444

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	2.2	2.3		0.2
2	1.9	1.94		0.7

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	1.9	20.107		1.36		21404	1071	99.99		0.1467	0.1445	0.1885		31.17
NEUTRON DIFFRACTION	MOLECULAR REPLACEMENT	2.222	37.076		1.79		10135	508	74.75		0.278	0.2763	0.3076

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]
-3.7555			-3.7555		-5.7725
-3.7555			-3.7555		-5.7725

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	13.938
f_angle_d	1.521
f_chiral_restr	0.092
f_bond_d	0.013
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1905
Nucleic Acid Atoms
Solvent Atoms	368
Heterogen Atoms	78

Software

Software
Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.