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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：Q9KQ11 New Search
3PDB entries
3Biological assembly
15chain/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
9YEE Rod-hook protein in Vibrio cholerae at assembled, opened state Deposited 2025-09-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 49 PDB declaration: 49-meric（49） Consistent with protein count
Chain Ca 1–249（249 aa）
Chain Cc 1–249（249 aa）
Chain Cd 1–249（249 aa）
Chain Cv 1–249（249 aa）
Chain Cw 1–249（249 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.44 Å
9YH6 Composite structure of the sheathed flagellar motor in Vibrio cholerae adopting a lower FOMC conformation Deposited 2025-09-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 407 PDB declaration: 407-meric（407） Consistent with protein count
Chain Ba 1–249（249 aa）
Chain Bc 1–249（249 aa）
Chain Bd 1–249（249 aa）
Chain Bv 1–249（249 aa）
Chain Bw 1–249（249 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.60 Å
9YH7 Composite structure of the sheathed flagellar motor in Vibrio cholerae adopting a higher FOMC conformation Deposited 2025-09-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 407 PDB declaration: 407-meric（407） Consistent with protein count
Chain Ba 1–249（249 aa）
Chain Bc 1–249（249 aa）
Chain Bd 1–249（249 aa）
Chain Bv 1–249（249 aa）
Chain Bw 1–249（249 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY mmCIF provides none of the parsed conditions Resolution 3.60 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.