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3lrn

Crystal structure of human RIG-I CTD bound to a 14 bp GC 5' ppp dsRNA

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

Probable ATP-dependent RNA helicase DDX58

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 ;RNA (5'-R(*(GTP)P*GP*CP*GP*CP*GP*CP*GP*CP*GP*CP*GP*CP*C)-3') ; × 2 ZINC ION × 2 water × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
2lwd 2lwe 2qfb 2qfb 2qfb 2qfb 2qfb 2qfb 2qfb 2qfb 2qfb 2qfb

25 assemblies; showing the first 12

Homodimer
4on9

1 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2ykg 3lrn 3lrr 3ncu 3og8 3zd6 3zd7 4ay2 4bpb 4nqk 4p4h 5e3h

45 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name DDX58_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–121； UniProt 803–923 Author chain B； PDBConstruct 1–121； UniProt 803–923

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_id3lrn
Deposition date deposition_date2010-02-11
Structure title titleCrystal structure of human RIG-I CTD bound to a 14 bp GC 5' ppp dsRNA
Keywords keywords;Innate immunity, viral RNA sensing, RIG-I like receptors, Antiviral defense, ATP-binding, Helicase, Immune response, Metal-binding, Nucleotide-binding, RNA-binding, Hydrolase-RNA complex ;; Hydrolase/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.

3lrn__assembly_1__model_1

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

Download this curve (.dat)

3lrn__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.

3lrn__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）25.23 Å
Rg (electron density)26.13 Å
Total Rg26.63 Å
Atom count2620
Residues268
Excluded volume44670 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 3lrn__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) 2 domains

CATH v4.4 (2 domains)

Domain ID domain_id3lrnA00
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_id3lrnB00
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)