ArsB from L. ferriphilum bound to antimonite in inward-facing state (antiparallel dimer)

Method: ELECTRON MICROSCOPY D_max: 102.4 Å Quality: EXCELLENT

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	10ua
deposition_date	2026-02-09
title	ArsB from L. ferriphilum bound to antimonite in inward-facing state (antiparallel dimer)
keywords	arsenite, membrane transporter, secondary transporter, MEMBRANE PROTEIN; MEMBRANE PROTEIN
method	ELECTRON MICROSCOPY

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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	32.77 Å
rg_electron	32.15 Å
i0	101588000.00
molecular_weight	90836.0 kDa
excluded_volume	118210 Å³
envelope_volume	142030 Å³
shell_volume	37189 Å³
envelope_diameter	107.2 Å
shell_rg	39.06 Å
envelope_rg	31.88 Å
shape_rg	32.17 Å
total_rg	32.72 Å
total_atoms	13204
n_residues	856
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	102.4 Å
rg_real	32.77 Å
rg_real_error	0.69 Å
i0_real	1.0160e+08
i0_real_error	1.5600e+06
rg_reciprocal	32.78 Å
i0_reciprocal	101600000.0000
total_estimate	0.9003
solution_quality	EXCELLENT a EXCELLENT solution
n_peaks	1
r_peak_primary	32.0 Å
skewness	0.230
kurtosis	-0.767
angular_range	— – 0.2400 Å⁻¹
current_alpha	0.0000
highest_alpha	16130000.0000
n_real_points	49
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.940; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.966; Smooth: 0.915

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4. Crystallography & Experiment

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5. Entities & Polymer Info (2)

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6. Citations (1)

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length_a	1.000 Å
length_b	1.000 Å
length_c	1.000 Å
angle_alpha	90.00 °
angle_beta	90.00 °
angle_gamma	90.00 °
z_pdb	—

space_group	P 1
int_tables_number	1
crystal_system	—

resolution	3.100 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	3.10 Å
resolution_method	—
num_particles	54719

description	Arsenical pump membrane protein
formula_weight	47082.6 kDa
src_method	man
entity_count	2

ArsB from L. ferriphilum bound to antimonite in inward-facing state (antiparallel dimer)

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

EM 3D

5. Entities & Polymer Info (2)

Entity 1 polymer

Polymer

Source

Entity 2 non-polymer

6. Citations (1)

7. Files & Curves (10)

Files (7)

Curves (3)

organism	Leptospirillum ferriphilum
ncbi_taxonomy_id	1048260
host_organism	Escherichia coli

description	TRIHYDROXYANTIMONITE(III)
formula_weight	172.8 kDa
src_method	syn
entity_count	2

fit	/app/data/saxs_computation/0u/10ua/10ua.fit
pddf	/app/data/pr_computation/0u/10ua/10ua.pr.out
profile	/app/data/saxs_computation/0u/10ua/10ua.dat

type	polypeptide(L)
strand_id	A,B
atom_count	13204