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1rqu

NMR structure of L7 dimer from E.coli

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

50S ribosomal protein L7/L12

Escherichia coli

UniProt P0A7K2

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1rqs

1 assemblies

Homodimer
1ctf 1rqt 1rqu 1rqv

4 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
2bcw 3j7z 4v4v 4v4w 4v5m 4v5n 4v7b 4v7d 4v89 4v9o 5kcs 6i0y

14 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name RL7_ECOLI
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–120； UniProt 1–120 Author chain B； PDBConstruct 1–120； UniProt 1–120

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_id1rqu
Deposition date deposition_date2003-12-07
Structure title titleNMR structure of L7 dimer from E.coli
Keywords keywordsprotein L7/L12, ribosome; RIBOSOME
Experimental Method methodSOLUTION NMR
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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.

1rqu__assembly_1__model_1

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

Download this curve (.dat)

1rqu__assembly_1__model_1 | I(q)

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

1rqu__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）32.64 Å
Rg (electron density)32.28 Å
Total Rg32.96 Å
Atom count3476
Residues240
Excluded volume30746 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1rqu__assembly_1__model_1 dimeric （2） 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 (1)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_idd1rqua1
Class classa — All alpha proteins
Fold Fold folda.108 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Superfamily Superfamily superfamilya.108.1 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Family Family familya.108.1.1 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Domain ID domain_idd1rqua2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.45 — ClpS-like
Superfamily Superfamily superfamilyd.45.1 — ClpS-like
Family Family familyd.45.1.1 — Ribosomal protein L7/12, C-terminal domain
Domain ID domain_idd1rqub1
Class classa — All alpha proteins
Fold Fold folda.108 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Superfamily Superfamily superfamilya.108.1 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Family Family familya.108.1.1 — Ribosomal protein L7/12, oligomerisation (N-terminal) domain
Domain ID domain_idd1rqub2
Class classd — Alpha and beta proteins (a+b)
Fold Fold foldd.45 — ClpS-like
Superfamily Superfamily superfamilyd.45.1 — ClpS-like
Family Family familyd.45.1.1 — Ribosomal protein L7/12, C-terminal domain

CATH v4.4 (4 domains)

Domain ID domain_id1rquA01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily710 — Single helix bin
Domain ID domain_id1rquA02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS
Domain ID domain_id1rquB01
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily710 — Single helix bin
Domain ID domain_id1rquB02
Class class3 — Alpha Beta
Architecture architecture30 — 2-Layer Sandwich
Topology topology1390 — Ribosomal Protein L30; Chain: A,
Homologous superfamily homologous superfamily10 — Ribosomal protein L7/L12, C-terminal domain/Adaptor protein ClpS
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7. Citations (1)