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9o96

Cryo-EM structure of CLC-ec1 at pH 4.0

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

H(+)/Cl(-) exchange transporter ClcA

Escherichia coli

UniProt P37019

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 CHLORIDE ION × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
3nmo

1 assemblies

Homodimer
1kpk 1kpk 1kpk 3det 3ejy 3ejz 4kjp 4kjq 4kjw 4kk5 4kk6 4kk8

25 assemblies; showing the first 12

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1ots 1ott 1otu 2exw 2exy 2ez0 2fec 2fed 2fee 2h2p 2h2s 2hlf

35 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name CLCA_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–468； UniProt 1–468 Author chain B； PDBConstruct 1–468； UniProt 1–468

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_id9o96
Deposition date deposition_date2025-04-17
Structure title titleCryo-EM structure of CLC-ec1 at pH 4.0
Keywords keywordstransmembrane protein cryo-EM Antiporter, 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.

9o96__assembly_1__model_1

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

Download this curve (.dat)

9o96__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.

9o96__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）31.12 Å
Rg (electron density)30.21 Å
Total Rg30.96 Å
Atom count13640
Residues888
Excluded volume122020 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9o96__assembly_1__model_1 dimeric （2） 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)