5JKM

Binary crystal structure of positively and negatively supercharged variants Ftn(pos) and Ftn(neg) from human heavy chain ferritin (Mg acetate condition)

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP		293	0.20 M magnesium acetate, 100 mM Tris, pH 8.5, 8 mg/mL Ftn(pos) and 8 mg/mL Ftn(neg)

Crystal Properties
Matthews coefficient	Solvent content
2.81	56.27

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 126.84	α = 90
b = 126.84	β = 90
c = 175.02	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 PILATUS 2M-F		2015-06-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06DA	1.00	SLS	X06DA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	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	1.8	47.6	99.6	0.0628	19.5	5.65		253942			18.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.8	1.9	98.2		0.381	3.71	5.16

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	5JKL	1.8	47.6	241293	12649	99.59	0.1606	0.159	0.1913	RANDOM	20.301

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]
-0.14			-0.14		0.29

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.509
r_dihedral_angle_4_deg	18.207
r_dihedral_angle_3_deg	12.853
r_dihedral_angle_1_deg	5.602
r_mcangle_it	2.04
r_angle_refined_deg	1.758
r_mcbond_it	1.584
r_mcbond_other	1.576
r_angle_other_deg	0.911
r_chiral_restr	0.115

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.509
r_dihedral_angle_4_deg	18.207
r_dihedral_angle_3_deg	12.853
r_dihedral_angle_1_deg	5.602
r_mcangle_it	2.04
r_angle_refined_deg	1.758
r_mcbond_it	1.584
r_mcbond_other	1.576
r_angle_other_deg	0.911
r_chiral_restr	0.115
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	17124
Nucleic Acid Atoms
Solvent Atoms	1515
Heterogen Atoms	41

Software

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

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 R01GM133198.