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5wku

Structure of an acid sensing ion channel in a resting state with barium

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

Acid-sensing ion channel 1

Gallus gallus

UniProt Q1XA76

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Other combination Homooligomer Protein 3 其他Polymer 1 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose × 1 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CHLORIDE ION × 3 BARIUM ION × 1 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
7lie

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
2qts 3ij4 4nyk 6ave 6cmc 6vtk 6vtl 6x9h

8 assemblies

Heteromeric or nucleic-acid complex
2qts 3s3w 3s3x 4fz0 4fz1 4ntw 4ntw 4ntx 4ntx 4nty 5wku 5wkv

14 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name ASIC1_CHICK
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–439； UniProt 25–463 Author chain B； PDBConstruct 1–439； UniProt 25–463 Author chain C； PDBConstruct 1–439； UniProt 25–463

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_id5wku
Deposition date deposition_date2017-07-25
Structure title titleStructure of an acid sensing ion channel in a resting state with barium
Keywords keywordsIon channel, ASIC, ASIC1a, Sodium channel, TRANSPORT PROTEIN, MEMBRANE PROTEIN; TRANSPORT PROTEIN
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.

5wku__assembly_1__model_1

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

Download this curve (.dat)

5wku__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.

5wku__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）35.46 Å
Rg (electron density)35.14 Å
Total Rg35.46 Å
Atom count9355
Residues1249
Excluded volume166200 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 5wku__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 (5)

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6. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id5wkuA01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily770 — YojJ-like
Domain ID domain_id5wkuA02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology470 — Acid-sensing ion channels like fold
Homologous superfamily homologous superfamily10 — Acid-sensing ion channels like domains
Domain ID domain_id5wkuA03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3590 — acid-sensing ion channel 1 fold
Homologous superfamily homologous superfamily10 — acid-sensing ion channel 1 domain
Domain ID domain_id5wkuA04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily820 — Acid-sensing ion channel domain
Domain ID domain_id5wkuB01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily770 — YojJ-like
Domain ID domain_id5wkuB02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology470 — Acid-sensing ion channels like fold
Homologous superfamily homologous superfamily10 — Acid-sensing ion channels like domains
Domain ID domain_id5wkuB03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3590 — acid-sensing ion channel 1 fold
Homologous superfamily homologous superfamily10 — acid-sensing ion channel 1 domain
Domain ID domain_id5wkuB04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily820 — Acid-sensing ion channel domain
Domain ID domain_id5wkuC01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily770 — YojJ-like
Domain ID domain_id5wkuC02
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology470 — Acid-sensing ion channels like fold
Homologous superfamily homologous superfamily10 — Acid-sensing ion channels like domains
Domain ID domain_id5wkuC03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3590 — acid-sensing ion channel 1 fold
Homologous superfamily homologous superfamily10 — acid-sensing ion channel 1 domain
Domain ID domain_id5wkuC04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology287 — Helix Hairpins
Homologous superfamily homologous superfamily820 — Acid-sensing ion channel domain
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7. Citations (1)