ArsB from L. ferriphilum bound to arsenite in inward-facing state (parallel dimer)

Method: ELECTRON MICROSCOPY D_max: 110.2 Å Quality: GOOD

SAXS Profile

P(r) Distribution

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1. Structure Basics

entry_id	10tu
deposition_date	2026-02-09
title	ArsB from L. ferriphilum bound to arsenite in inward-facing state (parallel 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	34.15 Å
rg_electron	33.65 Å
i0	100354000.00
molecular_weight	90743.0 kDa
excluded_volume	118190 Å³
envelope_volume	145730 Å³
shell_volume	36631 Å³
envelope_diameter	110.3 Å
shell_rg	39.87 Å
envelope_rg	33.04 Å
shape_rg	33.68 Å
total_rg	34.08 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	110.2 Å
rg_real	34.19 Å
rg_real_error	0.81 Å
i0_real	1.0040e+08
i0_real_error	1.4980e+06
rg_reciprocal	34.17 Å
i0_reciprocal	100400000.0000
total_estimate	0.8897
solution_quality	GOOD a GOOD solution
n_peaks	1
r_peak_primary	31.1 Å
skewness	0.264
kurtosis	-0.748
angular_range	— – 0.2300 Å⁻¹
current_alpha	0.0000
highest_alpha	16090000.0000
n_real_points	47
gnom_version	4.1.3
quality_criteria	AN1: 0.000; Oscil: 0.897; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.949; Smooth: 0.921

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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	3.200 Å
resolution_low	— Å
r_factor	—
r_work	—
r_free	—

resolution	3.20 Å
resolution_method	—
num_particles	37353

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

ArsB from L. ferriphilum bound to arsenite in inward-facing state (parallel 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	TRIHYDROXYARSENITE(III)
formula_weight	125.9 kDa
src_method	syn
entity_count	2

fit	/app/data/saxs_computation/0t/10tu/10tu.fit
pddf	/app/data/pr_computation/0t/10tu/10tu.pr.out
profile	/app/data/saxs_computation/0t/10tu/10tu.dat

type	polypeptide(L)
strand_id	A,B
atom_count	13204