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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：P01213 New Search
7PDB entries
9Biological assembly
9chain/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
2N2F Solution NMR structure of Dynorphin 1-13 bound to Kappa Opioid Receptor Deposited 2015-05-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 207–219（13 aa） Fragment：residues 207-219
Not recorded No recorded non-water small molecule SOLUTION NMR
NMR measurement conditions pH 6.1；280 K；Pressure ambient
NMR sample composition 1 mM [U-15N-GFLI] Dynorphin 1, 150 mM potassium chloride, 40 mM [U-2H] MES, 100 uM DSS, 10 uM KOR, 8 mM DDM, 1.6 mM CHS, 90% H2O/10% D2O | 90% H2O/10% D2O
NMR sample composition 1 mM [U-15N-GFLIR; U-13C-R] Dynorphin 1, 150 mM potassium chloride, 40 mM [U-2H] MES, 100 uM DSS, 10 uM KOR, 8 mM DDM, 1.6 mM CHS, 90% H2O/10% D2O | 90% H2O/10% D2O
Resolution not provided
8F7W Gi bound kappa-opioid receptor in complex with dynorphin Deposited 2022-11-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain P 207–214（8 aa） Fragment：UNP residues 207-214
Not recorded CLR CHOLESTEROL × 3 PLM PALMITIC ACID × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.19 Å
8VJU Structure of Human Neurolysin in complex with dynorphin A13 peptide Deposited 2024-01-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 207–219（13 aa）
Not recorded ZN ZINC ION × 2 EDO 1,2-ETHANEDIOL × 8 CL CHLORIDE ION × 1 NA SODIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；17.5 ~ 30 % polyethylene glycol 3,350 and 50 ~ 125 mM Bis-Tris HCl buffer, pH 6.5
Resolution 1.99 Å R-free 0.218
8VJV Structure of Human Neurolysin in complex with dynorphin A8(1-8) peptide Deposited 2024-01-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 207–214（8 aa）
Not recorded ZN ZINC ION × 1 EDO 1,2-ETHANEDIOL × 3 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；295 K；17.5 ~ 30 % polyethylene glycol 3,350 and 50 ~ 125 mM Bis-Tris HCl buffer, pH 6.5
Resolution 2.12 Å R-free 0.249
9CCE structure of DYNA_1b7 Deposited 2024-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 207–223（17 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；0.1 M Phosphate/citrate pH 4.2 and 40 % v/v PEG 300
Resolution 3.15 Å R-free 0.313
9CCE structure of DYNA_1b7 Deposited 2024-06-21 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 207–223（17 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.2；293 K；0.1 M Phosphate/citrate pH 4.2 and 40 % v/v PEG 300
Resolution 3.15 Å R-free 0.313
9CCF Crystal Structure of DA7-2 Deposited 2024-06-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 207–223（17 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；0.1 M Sodium acetate pH 4.6 and 25% (v/v) PEG 550 MME
Resolution 4.00 Å R-free 0.296
9CCF Crystal Structure of DA7-2 Deposited 2024-06-21 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 207–223（17 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4.6；293 K；0.1 M Sodium acetate pH 4.6 and 25% (v/v) PEG 550 MME
Resolution 4.00 Å R-free 0.296
9L60 Gi-bound kappa opioid receptor in complex with dynorphin and positive allosteric modulator MPAM-15 Deposited 2024-12-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain P 207–219（13 aa）
Not recorded CLR CHOLESTEROL × 2 A1D6C 9-[5-(3-chlorophenyl)furan-2-yl]-3,3,6,6-tetramethyl-4,5,7,9-tetrahydro-2~{H}-xanthene-1,8-dione × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 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.