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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：Q9Y6C9 New Search
3PDB entries
3Biological assembly
6chain/assembly records
Main Difference Dimensions in This Set
Different mutation/modification 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
12OY Single particle cryo-EM structure of human MTCH2 Deposited 2026-04-14 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–202（202 aa）
Chain A 222–303（82 aa）
Mutation：L199V, A200Y, T226A Mutation：L199V, A200Y, T226A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM HEPES/KOH pH 7.5, 200 mM NaCl, 2 mM Mg Acetate, and 0.07% UDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
12OZ Single particle cryo-EM structure of human MTCH2 (hyperactive mutant F285N F286N) Deposited 2026-04-14 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–202（202 aa）
Chain A 222–303（82 aa）
Mutation：F285N,F286N,L199V,A200Y,T226A Mutation：F285N,F286N,L199V,A200Y,T226A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM HEPES/KOH pH 7.5, 200 mM NaCl, 2 mM Mg Acetate, and 0.07% UDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
12PB Single particle cryo-EM structure of human MTCH2 (hyperactive mutant K25E Y235A V238D) Deposited 2026-04-14 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–202（202 aa）
Chain A 222–303（82 aa）
Mutation：K25E,Y235A,V238D,L199V,A200Y,T226A Mutation：K25E,Y235A,V238D,L199V,A200Y,T226A No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；50 mM HEPES/KOH pH 7.5, 200 mM NaCl, 2 mM Mg Acetate, and 0.07% UDM
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 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.