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7ogm

A cooperative PNPase-Hfq-RNA carrier complex facilitates bacterial riboregulation. PNPase-3'ETS(leuZ)-Hfq

Method: ELECTRON MICROSCOPY
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1. Protein Identity and Related Structures Protein Identity & Related Structures

RNA-binding protein Hfq

Escherichia coli

UniProt A1AJ78

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 9 RNA 1 Polyribonucleotide nucleotidyltransferase × 3 （P05055） 3'ETS(LeuZ) × 1 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
7ogm

1 assemblies

View Construct and Data Evidence
UniProt name HFQ_ECOK1
Isoform —
PDB entities 1
Chains and sequence ranges Author chain D； PDBConstruct 1–102； UniProt 1–102 Author chain E； PDBConstruct 1–102； UniProt 1–102 Author chain F； PDBConstruct 1–102； UniProt 1–102 Author chain I； PDBConstruct 1–102； UniProt 1–102 Author chain J； PDBConstruct 1–102； UniProt 1–102 Author chain K； PDBConstruct 1–102； UniProt 1–102

Polyribonucleotide nucleotidyltransferase

Escherichia coli (strain K12)

UniProt P05055

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 9 RNA 1 RNA-binding protein Hfq × 6 （A1AJ78） 3'ETS(LeuZ) × 1 Consistent with all polymers

Other States of the Same Protein in the Database

Monomer
1sro

1 assemblies

Homodimer

None

Homotetramer

None

Other homooligomers
3h1c 3h1c 3h1c 3h1c 7ogl

5 assemblies

Heteromeric or nucleic-acid complex
7ogk 7ogm 9qh0

3 assemblies

View Construct and Data Evidence
UniProt name PNP_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain L； PDBConstruct 1–711； UniProt 1–711 Author chain N； PDBConstruct 1–711； UniProt 1–711 Author chain O； PDBConstruct 1–711； UniProt 1–711

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_id7ogm
Deposition date deposition_date2021-05-06
Structure title titleA cooperative PNPase-Hfq-RNA carrier complex facilitates bacterial riboregulation. PNPase-3'ETS(leuZ)-Hfq
Keywords keywordsRNA chaperone, Ribonuclease, Small regulatory RNA, Riboregulation, RNA BINDING PROTEIN; RNA BINDING PROTEIN
Experimental Method methodELECTRON MICROSCOPY
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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.

7ogm__assembly_1__model_1

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

Download this curve (.dat)

7ogm__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.

7ogm__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）50.97 Å
Rg (electron density)50.71 Å
Total Rg50.82 Å
Atom count17683
Residues2503
Excluded volume311240 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 7ogm__assembly_1__model_1 decameric （10） 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 (3)

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6. Fold Classification (SCOP + CATH) 7 domains

CATH v4.4 (7 domains)

Domain ID domain_id7ogmL01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily70 — GHMP Kinase, N-terminal domain
Domain ID domain_id7ogmL02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily10 — K Homology domain, type 1
Domain ID domain_id7ogmL03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology50 — OB fold (Dihydrolipoamide Acetyltransferase, E2P)
Homologous superfamily homologous superfamily140 — Nucleic acid-binding proteins
Domain ID domain_id7ogmN01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily70 — GHMP Kinase, N-terminal domain
Domain ID domain_id7ogmN02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily10 — K Homology domain, type 1
Domain ID domain_id7ogmO01
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology230 — Ribosomal Protein S5; domain 2
Homologous superfamily homologous superfamily70 — GHMP Kinase, N-terminal domain
Domain ID domain_id7ogmO02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1370 — Ribosomal Protein S8; Chain: A, domain 1
Homologous superfamily homologous superfamily10 — K Homology domain, type 1
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7. Citations (1)