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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：S8G5Q1 New Search
1PDB entries
1Biological assembly
7chain/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
9Y9Z Cryo-EM structure of conoid fiber from Toxoplasma gondii (24-nm repeat) Deposited 2025-09-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 378 PDB declaration: 378-meric（378） Consistent with protein count
Chain 63 1–1010（1010 aa）
Chain 64 1–1010（1010 aa）
Chain 65 1–1010（1010 aa）
Chain 66 1–1010（1010 aa）
Chain 67 1–1010（1010 aa）
Chain 68 1–1010（1010 aa）
Chain 69 1–1010（1010 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 63 MG MAGNESIUM ION × 54 GDP GUANOSINE-5'-DIPHOSPHATE × 57 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.14 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.