8c98

Cryo-EM captures early ribosome assembly in action

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

50S ribosomal protein L34

OrganismNot specified

UniProt P0A7P5

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL34_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain 2; PDBConstruct 1–46; UniProt 1–46

50S ribosomal protein L4

OrganismNot specified

UniProt P60723

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL4_ECOLI
Isoform —
PDB entities 2
Chains and sequence ranges Author chain E; PDBConstruct 1–201; UniProt 1–201

50S ribosomal protein L13

OrganismNot specified

UniProt P0AA10

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL13_ECOLI
Isoform —
PDB entities 3
Chains and sequence ranges Author chain J; PDBConstruct 1–142; UniProt 1–142

50S ribosomal protein L15

OrganismNot specified

UniProt P02413

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL15_ECOLI
Isoform —
PDB entities 4
Chains and sequence ranges Author chain L; PDBConstruct 1–144; UniProt 1–144

50S ribosomal protein L20

OrganismNot specified

UniProt P0A7L3

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL20_ECOLI
Isoform —
PDB entities 5
Chains and sequence ranges Author chain Q; PDBConstruct 1–118; UniProt 1–118

50S ribosomal protein L21

OrganismNot specified

UniProt P0AG48

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL21_ECOLI
Isoform —
PDB entities 6
Chains and sequence ranges Author chain R; PDBConstruct 1–103; UniProt 1–103

50S ribosomal protein L22

OrganismNot specified

UniProt P61175

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL22_ECOLI
Isoform —
PDB entities 7
Chains and sequence ranges Author chain S; PDBConstruct 1–110; UniProt 1–110

50S ribosomal protein L23

OrganismNot specified

UniProt P0ADZ0

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL23_ECOLI
Isoform —
PDB entities 8
Chains and sequence ranges Author chain T; PDBConstruct 1–100; UniProt 1–100

50S ribosomal protein L24

OrganismNot specified

UniProt P60624

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L29 × 1 (P0A7M6) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL24_ECOLI
Isoform —
PDB entities 9
Chains and sequence ranges Author chain U; PDBConstruct 1–104; UniProt 1–104

50S ribosomal protein L29

OrganismNot specified

UniProt P0A7M6

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L30 × 1 (P0AG51) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL29_ECOLI
Isoform —
PDB entities 10
Chains and sequence ranges Author chain Y; PDBConstruct 1–63; UniProt 1–63

50S ribosomal protein L30

OrganismNot specified

UniProt P0AG51

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein–RNA Heteromer Protein 11 RNA 1 50S ribosomal protein L34 × 1 (P0A7P5) 50S ribosomal protein L4 × 1 (P60723) 50S ribosomal protein L13 × 1 (P0AA10) 50S ribosomal protein L15 × 1 (P02413) 50S ribosomal protein L20 × 1 (P0A7L3) 50S ribosomal protein L21 × 1 (P0AG48) 50S ribosomal protein L22 × 1 (P61175) 50S ribosomal protein L23 × 1 (P0ADZ0) 50S ribosomal protein L24 × 1 (P60624) 50S ribosomal protein L29 × 1 (P0A7M6) 23S rRNA × 1 Consistent with all polymers

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name RL30_ECOLI
Isoform —
PDB entities 11
Chains and sequence ranges Author chain Z; PDBConstruct 1–59; UniProt 1–59

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_id8c98
Deposition date deposition_date2023-01-21
Structure title titleCryo-EM captures early ribosome assembly in action
Keywords keywordsribosome, ribosome assembly, ribosome biogenesis, total reconstitution, RNA, ribosomal protein.; RIBOSOME
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.

8c98__assembly_1__model_1

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

Download this curve (.dat)

8c98__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

8c98__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)54.33 Å
Rg (electron density)54.98 Å
Total Rg55.05 Å
Atom count30284
Residues2098
Excluded volume459550 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 8c98__assembly_1__model_1 dodecameric (12) 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 (12)

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6. Fold Classification (SCOP + CATH) 1 domains

CATH v4.4 (1 domains)

Domain ID domain_id8c98S01
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology470 — Ribosomal Protein L22; Chain A
Homologous superfamily homologous superfamily10 — Ribosomal protein L22/L17
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7. Citations (1)