Experiment: 9FCF

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
in silico model	AlphaFold		Model based on the sequence of MtHISN3-Nt42

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	291	0.2 M sodium acetate, 0.1 M sodium cacodylate pH 6.5, 15% PEG 8000

Crystal Properties
Matthews coefficient	Solvent content
2.55	51.77

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.301	α = 90
b = 91.301	β = 90
c = 35.836	γ = 90

Symmetry
Space Group	P 4

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 EIGER X 16M		2023-09-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1)	0.9763	PETRA III, EMBL c/o DESY	P13 (MX1)

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	2.36	80	99.9	0.15	0.16	0.996	10.74	8.2		12535			39.94

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rrim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.36	2.5			0.959	1.024	0.842	2.16

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	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.36	32.28	1.36	12522	1000	99.85	0.2265	0.2238	0.2569	47.73

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	14.1449
f_angle_d	0.8212
f_chiral_restr	0.0548
f_plane_restr	0.0068
f_bond_d	0.0052

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2024
Nucleic Acid Atoms
Solvent Atoms	4
Heterogen Atoms	39

Software

Software
Software Name	Purpose
PHENIX	refinement
XDS	data scaling
PHASER	phasing
Coot	model building
XDS	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 R01GM157729.