› 7af3

Electron Microscopy
2.82Å resolution

Bacterial 30S ribosomal subunit assembly complex state M (head domain)

Released:
DOI: 10.2210/pdb7af3/pdb
PDB entry 7af3 coloured by chain, front view.
PDB entry 7af3 coloured by chain, side view.
PDB entry 7af3 coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
A conserved rRNA switch is central to decoding site maturation on the small ribosomal subunit.
Schedlbauer A, Iturrioz I, Ochoa-Lizarralde B, Diercks T, López-Alonso JP, Lavin JL, Kaminishi T, Çapuni R, Dhimole N, de Astigarraga E, Gil-Carton D, Fucini P, Connell SR
OpenAccess logo Sci Adv 7 (2021)
PMID: 34088665
Related structures: EMD-11751

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
hetero nonamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-135745 (preferred)
Entry contents:
8 distinct polypeptide molecules
1 distinct RNA molecule
Macromolecules (9 distinct):
Small ribosomal subunit protein uS3 Chain: C
Molecule details ›
Chain: C
Length: 233 amino acids
Theoretical weight: 26.03 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7V3 (Residues: 1-233; Coverage: 100%)
Gene names: JW3276, b3314, rpsC
Sequence domains:
Small ribosomal subunit protein uS7 Chain: G
Molecule details ›
Chain: G
Length: 179 amino acids
Theoretical weight: 20.06 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P02359 (Residues: 1-179; Coverage: 100%)
Gene names: JW3303, b3341, rpsG
Sequence domains: Ribosomal protein S7p/S5e
Small ribosomal subunit protein uS9 Chain: I
Molecule details ›
Chain: I
Length: 130 amino acids
Theoretical weight: 14.89 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7X3 (Residues: 1-130; Coverage: 100%)
Gene names: JW3199, b3230, rpsI
Sequence domains: Ribosomal protein S9/S16
Small ribosomal subunit protein uS10 Chain: J
Molecule details ›
Chain: J
Length: 103 amino acids
Theoretical weight: 11.76 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7R5 (Residues: 1-103; Coverage: 100%)
Gene names: JW3283, b3321, nusE, rpsJ
Sequence domains: Ribosomal protein S10p/S20e
Small ribosomal subunit protein uS13 Chain: M
Molecule details ›
Chain: M
Length: 118 amino acids
Theoretical weight: 13.13 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7S9 (Residues: 1-118; Coverage: 100%)
Gene names: JW3260, b3298, rpsM
Sequence domains: Ribosomal protein S13/S18
Small ribosomal subunit protein uS14 Chain: N
Molecule details ›
Chain: N
Length: 101 amino acids
Theoretical weight: 11.61 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0AG59 (Residues: 1-101; Coverage: 100%)
Gene names: JW3269, b3307, rpsN
Sequence domains: Ribosomal protein S14p/S29e
Small ribosomal subunit protein uS19 Chain: S
Molecule details ›
Chain: S
Length: 92 amino acids
Theoretical weight: 10.46 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7U3 (Residues: 1-92; Coverage: 100%)
Gene names: JW3278, b3316, rpsS
Sequence domains: Ribosomal protein S19
Small ribosomal subunit protein uS2 Chain: B
Molecule details ›
Chain: B
Length: 241 amino acids
Theoretical weight: 26.78 KDa
Source organism: Escherichia coli
UniProt:
  • Canonical: P0A7V0 (Residues: 1-241; Coverage: 100%)
Gene names: JW0164, b0169, rpsB
Sequence domains: Ribosomal protein S2
16S rRNA (head) Chain: 1
Molecule details ›
Chain: 1
Length: 1541 nucleotides
Theoretical weight: 499.53 KDa
Sequence domains: Bacterial small subunit ribosomal RNA

Ligands and Environments

2 bound ligands:
Ligand MG 51 x MG
Ligand ZN 1 x ZN
7 modified residues:
Ligand PSU 1 x PSU
Ligand G7M 1 x G7M
Ligand 2MG 3 x 2MG
Ligand 5MC 2 x 5MC
Ligand 4OC 1 x 4OC
Ligand UR3 1 x UR3
Ligand MA6 2 x MA6

Experiments and Validation Details

Entry percentile scores
Resolution: 2.82Å
Relevant EMDB volumes: EMD-11751

Quick links

Citations

2 review citations

Protein Assistants of Small Ribosomal Subunit Biogenesis in Bacteria.
Maksimova et al. (2022)
1 more