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9qh0

Escherichia coli polynucleotide phosphorylase in complex with recognition site of RNase E

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

Polyribonucleotide nucleotidyltransferase

Escherichia coli

UniProt P05055

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Ribonuclease E × 1 （P21513） water × 2 Consistent with protein count

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 1
Chains and sequence ranges Author chain A； PDBConstruct 1–549； UniProt 1–549 Author chain B； PDBConstruct 1–549； UniProt 1–549 Author chain C； PDBConstruct 1–549； UniProt 1–549

Ribonuclease E

Escherichia coli

UniProt P21513

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 4 Polyribonucleotide nucleotidyltransferase × 3 （P05055） water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1slj 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c 3h1c

13 assemblies; showing the first 12

Homodimer
1smx 1sn8

2 assemblies

Homotetramer
2vmk

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex
2bx2 2c0b 2c4r 2fym 2fym 2fym 2vrt 2vrt 2vrt 2vrt 5f6c 5ohg

16 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name RNE_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain D； PDBConstruct 1–58； UniProt 1004–1061

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_id9qh0
Deposition date deposition_date2025-03-14
Structure title titleEscherichia coli polynucleotide phosphorylase in complex with recognition site of RNase E
Keywords keywordspolynucleotide phosphorylase, ribonuclease E, RNA degradosome, 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.

9qh0__assembly_1__model_1

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

Download this curve (.dat)

9qh0__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.

9qh0__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）37.64 Å
Rg (electron density)36.63 Å
Total Rg37.23 Å
Atom count12939
Residues1702
Excluded volume229990 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 9qh0__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 (3)

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7. Citations (1)