3ncu

Structural and functional insights into pattern recognition by the innate immune receptor RIG-I

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

RIG-I

Homo sapiens

UniProt O95786

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 2 RNA 2 5'-R(*(GDP)P*AP*CP*GP*CP*UP*AP*GP*CP*GP*UP*C)-3' × 2 ZINC ION × 2 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name DDX58_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–134; UniProt 792–925 Author chain B; PDBConstruct 1–134; UniProt 792–925

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_id3ncu
Deposition date deposition_date2010-06-05
Structure title titleStructural and functional insights into pattern recognition by the innate immune receptor RIG-I
Keywords keywordsinnate immune receptor, RIG-I c-terminal domain, RNA BINDING PROTEIN-RNA complex; RNA BINDING PROTEIN/RNA
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.

3ncu__assembly_1__model_1

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

Download this curve (.dat)

3ncu__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.

3ncu__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)23.03 Å
Rg (electron density)23.35 Å
Total Rg23.99 Å
Atom count2502
Residues262
Excluded volume42986 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3ncu__assembly_1__model_1 tetrameric (4) 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 (4)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd3ncua_
Class classb — All beta proteins
Fold Fold foldb.88 — Mss4-like
Superfamily Superfamily superfamilyb.88.2 — RIG-I C-terminal-like
Family Family familyb.88.2.1 — RIG-I C-terminal domain-like
Domain ID domain_idd3ncub_
Class classb — All beta proteins
Fold Fold foldb.88 — Mss4-like
Superfamily Superfamily superfamilyb.88.2 — RIG-I C-terminal-like
Family Family familyb.88.2.1 — RIG-I C-terminal domain-like

CATH v4.4 (2 domains)

Domain ID domain_id3ncuA00
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology150 — Metal Binding Protein, Guanine Nucleotide Exchange Factor; Chain A
Homologous superfamily homologous superfamily30 — RIG-I-like receptor, C-terminal regulatory domain
Domain ID domain_id3ncuB00
Class class2 — Mainly Beta
Architecture architecture170 — Beta Complex
Topology topology150 — Metal Binding Protein, Guanine Nucleotide Exchange Factor; Chain A
Homologous superfamily homologous superfamily30 — RIG-I-like receptor, C-terminal regulatory domain
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7. Citations (1)