Experiment: 7K26

Crystal structure of Human H-chain Ferritin variant infused with Sodium Acrylate

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	6B8F

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		298	Reservoir: 525 uL total volume 100 uL of 500 mM HEPES pH 7.0, 125 uL of 1 M NH4OAc, 300 uL 2-Methyl-2,4-pentanediol Sitting drop: 5 uL reservoir, 5 uL of 25 uM dCs ferritin

Crystal Properties
Matthews coefficient	Solvent content
3.03	59.37

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 131.57	α = 90
b = 131.57	β = 90
c = 306.56	γ = 120

Symmetry
Space Group	P 31 2 1

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 6M		2020-07-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.9801	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.7	91.44	99.8	0.996	8.5	18		85108			49.66

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.7	2.75			0.744

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	6B8F	2.7	53.99	1.34	84508	4390	99.14	0.2009	0.198	0.1988	0.2537	0.2516	59.36

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	10.2324
f_angle_d	0.7332
f_chiral_restr	0.0452
f_bond_d	0.0051
f_plane_restr	0.0045

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	16826
Nucleic Acid Atoms
Solvent Atoms	366
Heterogen Atoms	75

Software

Software
Software Name	Purpose
PHENIX	refinement
iMOSFLM	data reduction
Aimless	data scaling
PHASER	phasing