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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：Q9KQ10 New Search
2PDB entries
2Biological assembly
34chain/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 Ce 1–434（434 aa）
Chain Cf 1–434（434 aa）
Chain Cg 1–434（434 aa）
Chain Ch 1–434（434 aa）
Chain Ci 1–434（434 aa）
Chain Cj 1–434（434 aa）
Chain Ck 1–434（434 aa）
Chain Cl 1–434（434 aa）
Chain Cm 1–434（434 aa）
Chain Cn 1–434（434 aa）
Chain Co 1–434（434 aa）
Chain Cp 1–434（434 aa）
Chain Cq 1–434（434 aa）
Chain Cr 1–434（434 aa）
Chain Cs 1–434（434 aa）
Chain Ct 1–434（434 aa）
Chain Cu 1–434（434 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 Be 1–434（434 aa）
Chain Bf 1–434（434 aa）
Chain Bg 1–434（434 aa）
Chain Bh 1–434（434 aa）
Chain Bi 1–434（434 aa）
Chain Bj 1–434（434 aa）
Chain Bk 1–434（434 aa）
Chain Bl 1–434（434 aa）
Chain Bm 1–434（434 aa）
Chain Bn 1–434（434 aa）
Chain Bo 1–434（434 aa）
Chain Bp 1–434（434 aa）
Chain Bq 1–434（434 aa）
Chain Br 1–434（434 aa）
Chain Bs 1–434（434 aa）
Chain Bt 1–434（434 aa）
Chain Bu 1–434（434 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.