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8gw2

Escherichia Coli Heat Labile Enterotoxin Type IIB B-Pentamer Circular Permutant CP13-14

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

Heat-labile enterotoxin IIB, B chain

Escherichia coli

UniProt P43529

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 5 water × 5 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers
1qb5 1qcb 4fnf 4fnf 4fo2 4fo2 4fo2 4fo2 4fp5 8guf 8gw2 8h2r

12 assemblies

Heteromeric or nucleic-acid complex
1tii 5g3l

2 assemblies

View Construct and Data Evidence
UniProt name E2BB_ECOLX
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–86； UniProt 37–122 Author chain B； PDBConstruct 1–86； UniProt 37–122 Author chain C； PDBConstruct 1–86； UniProt 37–122 Author chain D； PDBConstruct 1–86； UniProt 37–122 Author chain E； PDBConstruct 1–86； UniProt 37–122

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_id8gw2
Deposition date deposition_date2022-09-16
Structure title titleEscherichia Coli Heat Labile Enterotoxin Type IIB B-Pentamer Circular Permutant CP13-14
Keywords keywords;E. coli, LTIIB, LT-IIb-B5, adjuvant, Toll-like receptor binding, TLR2/TLR1 signaling pathway, GD1a binding, ganglioside binding, circular permutation, TOXIN ;; TOXIN
Experimental Method methodX-RAY DIFFRACTION
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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.

8gw2__assembly_1__model_1

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

Download this curve (.dat)

8gw2__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8gw2__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）24.18 Å
Rg (electron density)22.83 Å
Total Rg23.52 Å
Atom count3845
Residues515
Excluded volume67825 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8gw2__assembly_1__model_1 pentameric （5） 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)