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5zfu

Structure of the ExbB/ExbD hexameric complex (ExbB6ExbD3TM)

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Biopolymer transport protein ExbB

Escherichia coli K-12

UniProt P0ABU7

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 22-mer peptide from Biopolymer transport protein ExbD × 3 （P0ABV2） Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
5zfp 5zfp

2 assemblies

Heteromeric or nucleic-acid complex
5zfu 5zfv 6tyi 9ddo 9ddp 9ddq

6 assemblies

View Construct and Data Evidence
UniProt name EXBB_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–244； UniProt 1–244 Author chain B； PDBConstruct 1–244； UniProt 1–244 Author chain C； PDBConstruct 1–244； UniProt 1–244 Author chain D； PDBConstruct 1–244； UniProt 1–244 Author chain E； PDBConstruct 1–244； UniProt 1–244 Author chain F； PDBConstruct 1–244； UniProt 1–244

22-mer peptide from Biopolymer transport protein ExbD

Escherichia coli K-12

UniProt P0ABV2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 9 Biopolymer transport protein ExbB × 6 （P0ABU7） Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2pfu

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
5zfu 5zfv 6tyi 8p9r 9ddo 9ddp 9ddq

7 assemblies

View Construct and Data Evidence
UniProt name EXBD_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain G； PDBConstruct 1–22； UniProt 19–40 Author chain H； PDBConstruct 1–22； UniProt 19–40 Author chain I； PDBConstruct 1–22； UniProt 19–40

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_id5zfu
Deposition date deposition_date2018-03-07
Structure title titleStructure of the ExbB/ExbD hexameric complex (ExbB6ExbD3TM)
Keywords keywordsTon system, ion channel, energizer, transporter, proton motive force, TRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5zfu__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5zfu__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

5zfu__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）37.09 Å
Rg (electron density)35.95 Å
Total Rg36.51 Å
Atom count10443
Residues1382
Excluded volume188100 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5zfu__assembly_1__model_1 nonameric （9） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (2)

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7. Citations (1)