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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：P23818 New Search
13PDB entries
13Biological assembly
26chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion 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
7LDD native AMPA receptor Deposited 2021-01-13 Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein count
Chain A 1–907（907 aa）
Chain C 1–907（907 aa）
Not recorded ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 R16 HEXADECANE × 2 OCT N-OCTANE × 6 HP6 HEPTANE × 4 D10 DECANE × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 D12 DODECANE × 6 C14 TETRADECANE × 6 DD9 nonane × 4 XVD 6-[2-chloro-6-(trifluoromethoxy)phenyl]-1H-benzimidazol-2-ol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7LDE native AMPA receptor Deposited 2021-01-13 Assembly 1 Other combination Heteromer；Protein × 14 PDB declaration: tetradecameric（14） Consistent with protein count
Chain A 1–907（907 aa）
Chain C 1–907（907 aa）
Not recorded ZK1 {[7-morpholin-4-yl-2,3-dioxo-6-(trifluoromethyl)-3,4-dihydroquinoxalin-1(2H)-yl]methyl}phosphonic acid × 4 R16 HEXADECANE × 2 OCT N-OCTANE × 6 HP6 HEPTANE × 4 D10 DECANE × 6 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 D12 DODECANE × 6 C14 TETRADECANE × 6 DD9 nonane × 4 XVD 6-[2-chloro-6-(trifluoromethoxy)phenyl]-1H-benzimidazol-2-ol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
9ZKM The LBD-TMD structure of native mouse AMPAR with 4 TARPs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 12 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.13 Å
9ZKN The TMD structure of native mouse AMPAR with 4 TARPs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 11 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
9ZKO The LBD-TMD structure of native mouse AMPAR with 2 TARPs 2 CNIHs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 12 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
9ZKP The TMD structure of native mouse AMPAR with 2 TARPs 2 CNIHs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 12 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.87 Å
9ZKQ The LBD-TMD structure of native mouse AMPAR with 3 TARPs 1 CNIH Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 10 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.36 Å
9ZKR The TMD structure of native mouse AMPAR with 3 TARPs 1 CNIH Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 10 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.08 Å
9ZKS The LBD-TMD structure of native mouse AMPAR with 2 TARPs 2 CNIHs and PRRT1/SynDIG4 Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 6 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.36 Å
9ZKT The TMD structure of native mouse AMPAR with 2 TARPs 2 CNIHs and PRRT1/SynDIG4 Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 6 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 9 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.04 Å
9ZKU The LBD-TMD structure of native mouse AMPAR with 3 TARPs 1 CNIH and PRRT1/SynDIG4 Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 4 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 7 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.75 Å
9ZKV The LBD-TMD structure of native mouse AMPAR with 2 TARPs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 4 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.45 Å
9ZKW The LBD-TMD structure of native mouse AMPAR with 3 TARPs Deposited 2025-12-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain A 408–907（500 aa）
Chain C 408–907（500 aa）
Not recorded PLM PALMITIC ACID × 6 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 8 POV (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.33 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.