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9w29

Structure of Au bound to human heavy chain ferritin nanocage.

Method: X-RAY DIFFRACTION D_max: 66.3 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9w29
deposition_date	2025-07-27
last_revision	2026-06-03
title	Structure of Au bound to human heavy chain ferritin nanocage.
keywords	ferritin, gold ion, METAL BINDING PROTEIN; METAL BINDING PROTEIN
method	X-RAY DIFFRACTION

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Download Data

SAXS curve (.dat) P(r) distribution (.pr.out) Structure (CIF)

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2. SAXS Parameters (CRYSOL)

rg_guinier	19.24 Å
rg_electron	18.40 Å
i0	9565830.00
molecular_weight	20874.0 kDa
excluded_volume	25007 Å³
envelope_volume	29596 Å³
shell_volume	14536 Å³
envelope_diameter	67.2 Å
shell_rg	23.16 Å
envelope_rg	18.68 Å
shape_rg	18.26 Å
total_rg	19.47 Å
total_atoms	1418
n_residues	172
n_harmonics	20
q_range	— – 0.5000 Å⁻¹
n_points	101
shell_type	directional
solvent_density	0.3340 e/Å³
contrast_shell	0.0300 e/Å³
crysol_version	4.1.3

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3. P(r) Analysis (GNOM)

dmax	66.3 Å
rg_real	19.35 Å
rg_real_error	0.49 Å
i0_real	9.5660e+06
i0_real_error	1.4180e+05
rg_reciprocal	19.34 Å
i0_reciprocal	9566000.0000
total_estimate	0.8461
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	19.3 Å
skewness	0.435
kurtosis	-0.365
angular_range	— – 0.4150 Å⁻¹
current_alpha	0.0000
highest_alpha	505500.0000
n_real_points	73
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.735; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.845; Smooth: 0.946

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Ferritin heavy chain
formula_weight	21255.7 kDa
ec_number	1.16.3.1
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	1518

MTTASTSQVRQNYHQDSEAAINRQINLELYASYVYLSMSYYFDRDDVALKNFAKYFLHQSHEEREHAEKLMKLQNQRGGRIFLQDIKKPDCDDWESGLNAMECALHLEKNVNQSLLELHKLATDKNDPHLCDFIETHYLNEQVKAIKELGDHVTNLRKMGAPESGLAEYLFDKHTLGDSDNES

Source

organism	Homo sapiens
common_name	human
ncbi_taxonomy_id	9606
host_organism	Escherichia phage EcSzw-2

Entity 2 non-polymer

description	GOLD ION
formula_weight	197.0 kDa
src_method	syn
entity_count	4

Entity 3 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	1

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	95

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6. Citations (1)

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length_a	183.770 Å
length_b	183.770 Å
length_c	183.770 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	96

space_group	F 4 3 2
int_tables_number	209
crystal_system	—

resolution	1.990 Å
resolution_low	42.160 Å
r_factor	0.2196
r_work	0.2181
r_free	0.2465

fit	/app/data/saxs_computation/w2/9w29/9w29.fit
pddf	/app/data/pr_computation/w2/9w29/9w29.pr.out
profile	/app/data/saxs_computation/w2/9w29/9w29.dat

Structure of Au bound to human heavy chain ferritin nanocage.

SAXS Profile

P(r) Distribution

1. Structure Basics

Download Data

2. SAXS Parameters (CRYSOL)

3. P(r) Analysis (GNOM)

4. Crystallography & Experiment

Unit Cell

Symmetry

Refinement

Diffraction