SAXSdb — 10tp

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Arsenical pump membrane protein

Leptospirillum ferriphilum

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein homooligomer Homooligomer Protein × 2 PDB declaration: dimeric（2） Consistent with protein copy count	Chain A； UniProt 1–428 Chain B； UniProt 1–428	Not recorded	No other associated polymer	ELECTRON MICROSCOPY cryo-EM buffer：pH 7.5 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 3.60 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 10TP	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
10TQ ArsB from L. ferriphilum in inward-facing state (antiparallel dimer) Deposited 2026-02-08	Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–428（428 aa） Chain B 1–428（428 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
10TU ArsB from L. ferriphilum bound to arsenite in inward-facing state (parallel dimer) Deposited 2026-02-09	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–428（428 aa） Chain B 1–428（428 aa）	Not recorded	TAS TRIHYDROXYARSENITE(III) × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.20 Å
10UA ArsB from L. ferriphilum bound to antimonite in inward-facing state (antiparallel dimer) Deposited 2026-02-09	Different ligand/ion Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 1–428（428 aa） Chain B 1–428（428 aa）	Not recorded	SBO TRIHYDROXYANTIMONITE(III) × 2	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å

3 other PDB entries and 3 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	J9ZEP4_LEPFM
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–428； UniProt 1–428 Author chain B； PDBConstruct 1–428； UniProt 1–428

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	10tp
Deposition date deposition_date	2026-02-08
Structure title title	ArsB from L. ferriphilum in inward-facing state (parallel dimer)
Keywords keywords	arsenite, membrane transporter, secondary transporter, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method method	ELECTRON MICROSCOPY

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3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	34.12 Å
Radius of gyration Rg (electron density) rg_electron	33.59 Å
Forward intensity I(0) i0	99301100.00
Molecular weight molecular_weight	90491.0 kDa
Excluded volume excluded_volume	118050 Å³
Envelope volume envelope_volume	147100 Å³
Hydration-shell volume shell_volume	37238 Å³
Envelope diameter envelope_diameter	111.2 Å
Shell Rg shell_rg	39.65 Å
Envelope Rg envelope_rg	32.80 Å
Shape Rg shape_rg	33.60 Å
Total Rg total_rg	34.07 Å
Total atoms total_atoms	6402
Residues n_residues	856
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

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4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	110.1 Å
Rg (real space) rg_real	34.16 Å
Rg uncertainty (real space) rg_real_error	0.96 Å
I(0) (real space) i0_real	9.9300e+07
I(0) uncertainty (real space) i0_real_error	1.8280e+06
Rg (reciprocal space) rg_reciprocal	34.14 Å
I(0) (reciprocal space) i0_reciprocal	99300000.0000
Solution quality estimate total_estimate	0.8925
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	2
Primary peak position r_peak_primary	33.5 Å
Skewness Skewness skewness	0.262
Kurtosis Kurtosis kurtosis	-0.719
Angular range angular_range	— – 0.2300 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	15430000.0000
Real-space data points n_real_points	47
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.911; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.963; Smooth: 0.902

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5. Crystallography and Experiment 5. Crystallography & Experiment

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6. Entities and Polymers Entities & Polymers (1)

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8. Citations (1)

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	—

Space group space_group	P 1
Space-group number int_tables_number	1
Crystal system crystal_system	—

Resolution resolution	3.60 Å
Resolution测定方法 resolution_method	—
颗粒数 num_particles	36254

Description description	Arsenical pump membrane protein
Molecular weight formula_weight	47082.6 kDa
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	6402

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

1. Protein Identity and Related Structures Protein Identity & Related Structures

Arsenical pump membrane protein

State in the Current Structure

Other States of the Same Protein in the Database

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

冷冻电镜 EM 3D

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

来源 Source

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)

来源生物 organism	Leptospirillum ferriphilum
NCBI Class编号 ncbi_taxonomy_id	1048260
宿主生物 host_organism	Escherichia coli

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