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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：A5FJG9 New Search
5PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
9OY8 Flavobacterium johnsoniae 30S ribosomal subunit. Deposited 2025-06-04 Assembly 1 Protein–RNA Heteromer；Protein × 20 PDB declaration: 21-meric（21） Consistent with all polymers
Chain H 1–254（254 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
9OZ9 Flavobacterium johnsoniae 70S initiation complex with Shine-Dalgarno-less mRNA. Deposited 2025-06-05 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain H 1–254（254 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
9OZN Flavobacterium johnsoniae 70S initiation complex with rpsU mRNA containing Shine-Dalgarno sequence. State 1. Deposited 2025-06-05 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 56-meric（56） Consistent with all polymers
Chain H 1–254（254 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
9OZZ Flavobacterium johnsoniae 70S initiation complex with rpsU mRNA containing Shine-Dalgarno sequence. State 2. Deposited 2025-06-06 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain H 1–254（254 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.50 Å
9ZCD Flavobacterium johnsoniae 30S ribosomal subunit. Deposited 2025-11-23 Assembly 1 Protein–RNA Heteromer；Protein × 21 PDB declaration: 22-meric（22） Consistent with all polymers
Chain H 1–254（254 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.