10le

X-ray structure of the Bacteroides fragilis Nramp/MntH divalent transition metal transporter WT in an inward-open, manganese-bound state

Method: X-RAY DIFFRACTION Dmax: 92.2 Å Quality: GOOD

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

Divalent metal cation transporter

Bacteroides fragilis

UniProt A0A0K6BUR1

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 monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 14–417 Not recorded MN MANGANESE (II) ION × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 29 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:LIPIDIC CUBIC PHASE;298 K;0.2 M ammonium sulfate, 0.02 M sodium chloride, 0.02 M sodium acetate pH 4.0, 33% PEG 200 Resolution 2.40 Å R-free 0.275
2 Protein monomer Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain B; UniProt 14–417 Not recorded MN MANGANESE (II) ION × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 28 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION X-ray crystallization conditions:LIPIDIC CUBIC PHASE;298 K;0.2 M ammonium sulfate, 0.02 M sodium chloride, 0.02 M sodium acetate pH 4.0, 33% PEG 200 Resolution 2.40 Å R-free 0.275

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.

1 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name A0A0K6BUR1_BACFG
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 13–416; UniProt 14–417 Author chain B; PDBConstruct 13–416; UniProt 14–417

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.

SAXS scattering curve SAXS Profile

SAXS profile for 10le

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 10le
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2. Structure Basics 2. Structure Basics

Entry ID entry_id10le
Deposition date deposition_date2026-01-26
最后修订 last_revision2026-03-04
Structure title titleX-ray structure of the Bacteroides fragilis Nramp/MntH divalent transition metal transporter WT in an inward-open, manganese-bound state
Keywords keywordsMembrane Protein, Divalent metal transporter, Manganese Homeostasis, Iron Homeostasis, METAL TRANSPORT; METAL TRANSPORT
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier28.38
Radius of gyration Rg (electron density) rg_electron28.47
Forward intensity I(0) i076818000.00
Molecular weight molecular_weight90501.0 kDa
Excluded volume excluded_volume122700 ų
Envelope volume envelope_volume140140 ų
Hydration-shell volume shell_volume39745 ų
Envelope diameter envelope_diameter99.6
Shell Rg shell_rg36.83
Envelope Rg envelope_rg28.96
Shape Rg shape_rg28.47
Total Rg total_rg29.48
Total atoms total_atoms6379
Residues n_residues740
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax92.2
Rg (real space) rg_real28.31
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real7.6820e+07
I(0) uncertainty (real space) i0_real_error1.1640e+06
Rg (reciprocal space) rg_reciprocal28.33
I(0) (reciprocal space) i0_reciprocal76820000.0000
Solution quality estimate total_estimate0.8986
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary90.6
Skewness Skewness skewness0.263
Kurtosis Kurtosis kurtosis-0.452
Angular range angular_range— – 0.2800 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha22730000.0000
Real-space data points n_real_points57
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.905; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.995; Smooth: 0.968

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

8. Citations (1)

9. Files and Curves (10)