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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：S8F1N8 New Search
1PDB entries
1Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
No difference found in parsed fields

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
9YA0 Cryo-EM structure of pre-conoid ring 2 (PCR P2 ring)from Toxoplasma gondii Deposited 2025-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 117 PDB declaration: 117-meric（117） Consistent with protein count
Chain FA 1–2777（2777 aa）
Chain FB 1–2777（2777 aa）
Chain FC 1–2777（2777 aa）
Chain FD 1–2777（2777 aa）
Chain FE 1–2777（2777 aa）
Chain FF 1–2777（2777 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.54 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.