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9ihc

CryoEM structure of a synthetic antibody, COP-2, in complex with the C-terminal domain of Clostridium perfringens Enterotoxin

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

Heat-labile enterotoxin B chain

Clostridium perfringens

UniProt P01558

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 3 COP-2 antibody heavy chain × 1 COP-2 antibody light chain × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
2quo 2xh6 2xh6 2xh6 3zix 3zix 3zix 3zix 3zix 3zix 8u5f 8u5f

19 assemblies; showing the first 12

Homodimer
8u5d 8u5e 8u5e

3 assemblies

Homotetramer

None

Other homooligomers
2yhj 2yhj 3am2 3ziw 3ziw

5 assemblies

Heteromeric or nucleic-acid complex
3x29 3x29 4p5h 4p5h 4p5h 4p5h 4p5h 5b2g 5b2g 5b2g 5b2g 6ake

33 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ELTB_CLOPF
Isoform —
PDB entities 1
Chains and sequence ranges Author chain B； PDBConstruct 2–129； UniProt 192–319

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_id9ihc
Deposition date deposition_date2025-02-21
Structure title titleCryoEM structure of a synthetic antibody, COP-2, in complex with the C-terminal domain of Clostridium perfringens Enterotoxin
Keywords keywordsclostridium, COP-2, toxin; TOXIN
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.

9ihc__assembly_1__model_1

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

Download this curve (.dat)

9ihc__assembly_1__model_1 | I(q)

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

9ihc__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）29.82 Å
Rg (electron density)29.47 Å
Total Rg30.06 Å
Atom count4288
Residues560
Excluded volume75840 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9ihc__assembly_1__model_1 trimeric （3） 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 (3)

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7. Citations (1)