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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：Q8SDD2 New Search
2PDB entries
2Biological assembly
14chain/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
9XPF The structure of sheath and tube proteins of phage Phikz Deposited 2025-11-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain G 1–293（293 aa）
Chain H 1–293（293 aa）
Chain I 1–293（293 aa）
Chain J 1–293（293 aa）
Chain K 1–293（293 aa）
Chain L 1–293（293 aa）
Chain S 1–293（293 aa）
Chain T 1–293（293 aa）
Chain U 1–293（293 aa）
Chain V 1–293（293 aa）
Chain W 1–293（293 aa）
Chain X 1–293（293 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.15 Å
9XPS The neck structure of the Phage Phikz Deposited 2025-11-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: 15-meric（15） Consistent with protein count
Chain y 1–293（293 aa）
Chain z 1–293（293 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.52 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.