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1xok

crystal structure of alfalfa mosaic virus RNA 3'UTR in complex with coat protein N terminal peptide

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

Coat protein

OrganismNot specified

UniProt P24264

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 ;alfalfa mosaic virus RNA 3' UTR ; × 1 ;alfalfa mosaic virus RNA 3' UTR ; × 1 BROMIDE ION × 1 water × 3 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
1xok

1 assemblies

View Construct and Data Evidence
UniProt name COAT_AMVYS
Isoform —
PDB entities 3
Chains and sequence ranges Author chain C； PDBConstruct 1–26； UniProt 1–26 Author chain D； PDBConstruct 1–26； UniProt 1–26

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_id1xok
Deposition date deposition_date2004-10-06
Structure title titlecrystal structure of alfalfa mosaic virus RNA 3'UTR in complex with coat protein N terminal peptide
Keywords keywordsprotein-rna complex, alpha helix, atypical rna duplex, Viral protein-RNA COMPLEX; Viral 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.

1xok__assembly_1__model_1

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

Download this curve (.dat)

1xok__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1xok__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）16.57 Å
Rg (electron density)15.90 Å
Total Rg16.61 Å
Atom count1010
Residues69
Excluded volume15116 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xok__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 (5)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1xokc_
Class classj — Peptides
Fold Fold foldj.9 — Arg-rich RNA binding peptides
Superfamily Superfamily superfamilyj.9.7 — Ilarvirus coat protein N-terminal fragment
Family Family familyj.9.7.1 — Ilarvirus coat protein N-terminal fragment
Domain ID domain_idd1xokd_
Class classj — Peptides
Fold Fold foldj.9 — Arg-rich RNA binding peptides
Superfamily Superfamily superfamilyj.9.7 — Ilarvirus coat protein N-terminal fragment
Family Family familyj.9.7.1 — Ilarvirus coat protein N-terminal fragment
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7. Citations (1)