9fdq

Single particle cryo-EM structure of the AcrB V612F monomer in the O state

Method: ELECTRON MICROSCOPY Dmax: 133.8 Å Quality: GOOD

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

Multidrug efflux pump subunit AcrB

Escherichia coli K-12

UniProt P31224

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 C; UniProt 1–1049 Mutation:V612F No other associated polymer ELECTRON MICROSCOPY cryo-EM buffer:pH 7.5 cryo-EM vitrification conditions:Cryogen ETHANE Resolution 3.47 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.

117 other PDB entries and 124 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ACRB_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain C; PDBConstruct 1–1049; UniProt 1–1049

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 9fdq

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 9fdq
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2. Structure Basics 2. Structure Basics

Entry ID entry_id9fdq
Deposition date deposition_date2024-05-17
Structure title titleSingle particle cryo-EM structure of the AcrB V612F monomer in the O state
Keywords keywordsDrug efflux, RND transporter, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodELECTRON MICROSCOPY

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

Radius of gyration Rg (Guinier) rg_guinier37.96
Radius of gyration Rg (electron density) rg_electron38.17
Forward intensity I(0) i0176549000.00
Molecular weight molecular_weight111670.0 kDa
Excluded volume excluded_volume141880 ų
Envelope volume envelope_volume201070 ų
Hydration-shell volume shell_volume46425 ų
Envelope diameter envelope_diameter138.8
Shell Rg shell_rg40.95
Envelope Rg envelope_rg38.77
Shape Rg shape_rg38.16
Total Rg total_rg38.39
Total atoms total_atoms7853
Residues n_residues1033
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 dmax133.8
Rg (real space) rg_real38.42
Rg uncertainty (real space) rg_real_error1.55
I(0) (real space) i0_real1.7650e+08
I(0) uncertainty (real space) i0_real_error3.2630e+06
Rg (reciprocal space) rg_reciprocal38.14
I(0) (reciprocal space) i0_reciprocal176500000.0000
Solution quality estimate total_estimate0.8126
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary38.2
Skewness Skewness skewness0.637
Kurtosis Kurtosis kurtosis-0.065
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha36970000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.659; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.890; Smooth: 0.693

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

8. Citations (1)

9. Files and Curves (10)