← Back to search
4eya

Crystal Structure of a Plectonemic RNA Supercoil

Method: X-RAY DIFFRACTION
▼

1. Protein Identity and Related Structures Protein Identity & Related Structures

N utilization substance protein B homolog

Aquifex aeolicus

UniProt O66530

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Homooligomer Protein 8 RNA 20 ;RNA (5'-R(*GP*GP*CP*UP*CP*CP*UP*UP*GP*GP*CP*A)-3') ; × 20 GLYCEROL × 12 SULFATE ION × 4 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
2jr0

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
3r2c 3r2c 3r2d 3r2d 4eya

5 assemblies

View Construct and Data Evidence
UniProt name NUSB_AQUAE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–148； UniProt 1–148 Author chain B； PDBConstruct 1–148； UniProt 1–148 Author chain C； PDBConstruct 1–148； UniProt 1–148 Author chain D； PDBConstruct 1–148； UniProt 1–148 Author chain E； PDBConstruct 1–148； UniProt 1–148 Author chain F； PDBConstruct 1–148； UniProt 1–148 Author chain G； PDBConstruct 1–148； UniProt 1–148 Author chain H； PDBConstruct 1–148； UniProt 1–148

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id4eya
Deposition date deposition_date2012-05-01
Structure title titleCrystal Structure of a Plectonemic RNA Supercoil
Keywords keywordstranscription elongation, ssRNA, dsRNA, NusE protein, TRANSCRIPTION, transcription-RNA complex; transcription/RNA
Experimental Method methodX-RAY DIFFRACTION
▼

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.

4eya__assembly_1__model_1

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

Download this curve (.dat)

4eya__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.

4eya__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）49.11 Å
Rg (electron density)51.26 Å
Total Rg51.06 Å
Atom count14060
Residues1336
Excluded volume234560 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4eya__assembly_1__model_1 28-meric （28） Success 4.1.3-1-20251215 (887e7ef) View Download
▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (4)

▼

6. Fold Classification (SCOP + CATH) 8 domains

CATH v4.4 (8 domains)

Domain ID domain_id4eyaA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaB00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaC00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaD00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaE00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaF00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaG00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
Domain ID domain_id4eyaH00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology940 — N-utilizing Substance Protein B Homolog; Chain A
Homologous superfamily homologous superfamily10 — NusB-like
▶

7. Citations (1)