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9wx5

Crystal structure of frog M-ferritin E130A_M161E mutant

Method: X-RAY DIFFRACTION D_max: 69.7 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	9wx5
deposition_date	2025-09-24
last_revision	2026-04-15
title	Crystal structure of frog M-ferritin E130A_M161E mutant
keywords	Iron binding and transport, METAL TRANSPORT; METAL TRANSPORT
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	19.35 Å
rg_electron	18.45 Å
i0	8860430.00
molecular_weight	20896.0 kDa
excluded_volume	25592 Å³
envelope_volume	30335 Å³
shell_volume	14732 Å³
envelope_diameter	69.8 Å
shell_rg	23.38 Å
envelope_rg	18.87 Å
shape_rg	18.37 Å
total_rg	19.43 Å
total_atoms	1450
n_residues	174
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	69.7 Å
rg_real	19.50 Å
rg_real_error	0.65 Å
i0_real	8.8600e+06
i0_real_error	1.2010e+05
rg_reciprocal	19.48 Å
i0_reciprocal	8860000.0000
total_estimate	0.8065
solution_quality	GOOD a GOOD solution
n_peaks	2
r_peak_primary	19.6 Å
skewness	0.538
kurtosis	-0.200
angular_range	— – 0.4100 Å⁻¹
current_alpha	0.0000
highest_alpha	2272000.0000
n_real_points	72
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.604; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.676; Smooth: 0.991

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4. Crystallography & Experiment

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5. Entities & Polymer Info (4)

Entity 1 polymer

description	Ferritin, middle subunit
formula_weight	20344.8 kDa
ec_number	1.16.3.1
src_method	man
entity_count	1

Polymer

type	polypeptide(L)
strand_id	A
atom_count	1746

VSQVRQNYHSDCEAAVNRMLNLELYASYTYSSMYAFFDRDDVALHNVAEFFKEHSHEEREHAEKFMKYQNKRGGRVVLQDIKKPERDEWGNTLEAMQAALQLEKTVNQALLDLHKLATDKVDPHLCDFLASEYLEEQVKDIKRIGDFITNLKRLGLPENGEGEYLFDKHSVKES

Source

organism	Aquarana catesbeiana
common_name	American bullfrog
ncbi_taxonomy_id	8400
host_organism	Escherichia coli

Entity 2 non-polymer

description	MAGNESIUM ION
formula_weight	24.3 kDa
src_method	syn
entity_count	9

Entity 3 non-polymer

description	CHLORIDE ION
formula_weight	35.5 kDa
src_method	syn
entity_count	11

Entity 4 water

description	water
formula_weight	18.0 kDa
src_method	nat
entity_count	219

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6. Citations (1)

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length_a	184.032 Å
length_b	184.032 Å
length_c	184.032 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	1.500 Å
resolution_low	41.190 Å
r_factor	—
r_work	0.1280
r_free	0.1630

fit	/app/data/saxs_computation/wx/9wx5/9wx5.fit
pddf	/app/data/pr_computation/wx/9wx5/9wx5.pr.out
profile	/app/data/saxs_computation/wx/9wx5/9wx5.dat

Crystal structure of frog M-ferritin E130A_M161E mutant

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