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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：P40357 New Search
9PDB entries
11Biological assembly
14chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
3B5N Structure of the yeast plasma membrane SNARE complex Deposited 2007-10-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 433–499（67 aa） Fragment：Residues 433-499
Chain D 589–650（62 aa） Fragment：Residues 589-650
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.25；298 K；100 mM MES pH 6.25, 30 % MPD, 200 mM Sodium bromide, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.60 Å R-free 0.248
3B5N Structure of the yeast plasma membrane SNARE complex Deposited 2007-10-26 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain G 433–499（67 aa） Fragment：Residues 433-499
Chain H 589–650（62 aa） Fragment：Residues 589-650
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.25；298 K；100 mM MES pH 6.25, 30 % MPD, 200 mM Sodium bromide, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.60 Å R-free 0.248
3B5N Structure of the yeast plasma membrane SNARE complex Deposited 2007-10-26 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain K 433–499（67 aa） Fragment：Residues 433-499
Chain L 589–650（62 aa） Fragment：Residues 589-650
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.25；298 K；100 mM MES pH 6.25, 30 % MPD, 200 mM Sodium bromide, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 1.60 Å R-free 0.248
9CRU Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 1 Deposited 2024-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 11 PDB declaration: undecameric（11） Consistent with protein count
Chain L 433–650（218 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.89 Å
9CRX Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 3 Deposited 2024-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa） Fragment：t-SNARE coiled-coil homology domains
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.73 Å
9N22 Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 2 Deposited 2025-01-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa） Fragment：t-SNARE coiled-coil homology domains
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.91 Å
9NG2 Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 4 Deposited 2025-02-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.61 Å
9NLU Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 5 Deposited 2025-03-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa） Fragment：t-SNARE coiled-coil homology domains
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.29 Å
9NLW Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 6 Deposited 2025-03-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa） Fragment：t-SNARE coiled-coil homology domains
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.73 Å
9NLY Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 7 Deposited 2025-03-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa） Fragment：t-SNARE coiled-coil homology domains
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.75 Å
9NLZ Y20S (Sec18-Sec17-Sec9-Sso1-Snc1) EDTA - Class 8 Deposited 2025-03-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain L 433–650（218 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 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.