6H6T

Binary crystal structure of positively and negatively supercharged variants Ftn(pos) and Ftn(neg) from human heavy chain ferritin (propandiol condition, coordination number 8)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.5	293	100 mM sodium acetate pH 4.5, 42 % propanediol

Crystal Properties
Matthews coefficient	Solvent content
3.18	61.36

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 153.229	α = 90
b = 153.229	β = 90
c = 135.803	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		2016-08-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.00	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rrim 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	1.9	48.46	99.5	0.0738	0.0844	14.75	4.22		244878

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.9	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2CEI	1.9	48.46	232653	12224	99.5	0.1845	0.1825	0.2221	RANDOM	27.276

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]
-0.54			-0.54		1.08

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.108
r_dihedral_angle_4_deg	21.742
r_dihedral_angle_3_deg	13.567
r_dihedral_angle_1_deg	5.68
r_angle_refined_deg	1.827
r_angle_other_deg	0.908
r_chiral_restr	0.114
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.001

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	40.108
r_dihedral_angle_4_deg	21.742
r_dihedral_angle_3_deg	13.567
r_dihedral_angle_1_deg	5.68
r_angle_refined_deg	1.827
r_angle_other_deg	0.908
r_chiral_restr	0.114
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	17139
Nucleic Acid Atoms
Solvent Atoms	534
Heterogen Atoms	34

Software

Software
Software Name	Purpose
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

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.