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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：O15399 New Search
13PDB entries
13Biological assembly
20chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion 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
7YFF Structure of GluN1a-GluN2D NMDA receptor in complex with agonist glycine and competitive antagonist CPP. Deposited 2022-07-08 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 GLY GLYCINE × 2 7RC (2R)-4-(3-phosphonopropyl)piperazine-2-carboxylic acid × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds before plunging
Resolution 3.60 Å
7YFL Structure of GluN1a-GluN2D NMDA receptor in complex with agonists glycine and glutamate. Deposited 2022-07-08 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds before plunging
Resolution 3.90 Å
7YFM Structure of GluN1b-GluN2D NMDA receptor in complex with agonists glycine and glutamate. Deposited 2022-07-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds before plunging
Resolution 5.10 Å
7YFO Structure of GluN1a E698C-GluN2D NMDA receptor in cystines crosslinked state. Deposited 2022-07-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds before plunging
Resolution 6.40 Å
7YFR Structure of GluN1a E698C-GluN2D NMDA receptor in cystines non-crosslinked state. Deposited 2022-07-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 3 seconds before plunging
Resolution 5.10 Å
8E96 Glycine and glutamate bound Human GluN1a-GluN2D NMDA receptor Deposited 2022-08-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 28–879（852 aa）
Chain D 28–879（852 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.38 Å
8Y1V Structure of GluN1b-GluN2D NMDA receptor in complex with competitive antagonist R-CPP and allosteric inhibitor YY-23 Deposited 2024-01-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–879（879 aa）
Chain D 1–879（879 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 A1LW8 (2~{R},3~{S},4~{S},5~{R},6~{R})-2-(hydroxymethyl)-6-[(2~{S})-2-methyl-4-[(1~{R},2~{R},4~{S},6~{S},7~{S},8~{R},9~{S},12~{S},13~{R},16~{S},18~{R})-7,9,13,18-tetramethyl-16-oxidanyl-5-oxapentacyclo[10.8.0.0^{2,9}.0^{4,8}.0^{13,18}]icosan-6-yl]butoxy]oxane-3,4,5-triol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
9D37 Nonactive state of Gly-,Glu- bound GluN1a-2B-2D NMDAR Deposited 2024-08-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.34 Å
9D38 Open state of Gly-,Glu-,EU1622-240 bound GluN1a-2B-2D NMDAR Deposited 2024-08-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.95 Å
9D39 Gly-,PPDA- bound GluN1a-2B-2D NMDAR Deposited 2024-08-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 2JL (2S,3R)-1-(phenanthren-2-ylcarbonyl)piperazine-2,3-dicarboxylic acid × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.65 Å
9D3A Nonactive state of Gly-,Glu- bound GluN1a-2B-2D NMDAR (Low-res) Deposited 2024-08-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 GLU GLUTAMIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.78 Å
9D3B Gly-,Glu-,(S)-DQP-997-74 bound GluN1a-2B-2D NMDAR Deposited 2024-08-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 GLU GLUTAMIC ACID × 2 A1A15 4-{(3R,5S)-5-(4-chlorophenyl)-3-[4-(4-chlorophenyl)-2-oxo-1,2-dihydroquinolin-3-yl]pyrazolidin-1-yl}-3,3-difluoro-4-oxobutanoic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.71 Å
9D3C Gly-,Glu-,(S)-(+)-ketamine bound GluN1a-2B-2D NMDAR Deposited 2024-08-09 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 28–880（853 aa）
Not recorded GLY GLYCINE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 GLU GLUTAMIC ACID × 2 JC9 (2~{S})-2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.96 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.