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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：Q2NKZ1 New Search
4PDB entries
4Biological assembly
7chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental method Different experimental conditions 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
3IYG Ca model of bovine TRiC/CCT derived from a 4.0 Angstrom cryo-EM map Deposited 2009-11-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain H 10–524（515 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM vitrification conditions two-side blotting for 1 second before plunging；101 K；Cryogen ETHANE；vitrification using ethane as cryogen
Resolution 4.00 Å
4B2T The crystal structures of the eukaryotic chaperonin CCT reveal its functional partitioning Deposited 2012-07-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain H 1–543（543 aa）
Chain h 1–543（543 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 5.50 Å R-free 0.399
9FQR 96-nm repeat of axonemal doublet microtubules from bovine sperm Deposited 2024-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 1574 PDB declaration: 1574-meric（1574） Consistent with protein count
Chain Gv 1–543（543 aa）
Chain Gw 1–543（543 aa）
Not recorded GTP GUANOSINE-5'-TRIPHOSPHATE × 342 MG MAGNESIUM ION × 345 GDP GUANOSINE-5'-DIPHOSPHATE × 345 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 5.00 Å
9KCF Bovine Flagellar TRiC Deposited 2024-11-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 16 PDB declaration: hexadecameric（16） Consistent with protein count
Chain F 1–543（543 aa）
Chain N 1–543（543 aa）
Not recorded MG MAGNESIUM ION × 6 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 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.