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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：P41143 New Search
12PDB entries
12Biological assembly
13chain/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
4N6H 1.8 A Structure of the human delta opioid 7TM receptor (PSI Community Target) Deposited 2013-10-12 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 36–338（303 aa） Fragment：UNP P0ABE7 residues 23-128, UNP P41143 residues 36-338
Mutation：M1007W, H1102I, R1106L, P37S OLA OLEIC ACID × 12 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 5 PGE TRIETHYLENE GLYCOL × 3 TLA L(+)-TARTARIC ACID × 1 EJ4 (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-5,6,7,8,14,14b-hexahydro-4,8-methano[1]benzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol × 1 NA SODIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LCP；293 K；31-34% (v/v) PEG 400, 0.095 to 0.12 M K/Na tartrate, 5% (v/v) ethylene glycol, 100 mM MES buffer at pH 6.1-6.2, LCP, temperature 293K
Resolution 1.80 Å R-free 0.190
8F7S Gi bound delta-opioid receptor in complex with deltorphin Deposited 2022-11-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain D 2–372（371 aa）
Chain R 2–372（371 aa）
Not recorded CLR CHOLESTEROL × 5 PLM PALMITIC ACID × 12 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
8Y45 Cryo-EM structure of opioid receptor with biased agonist Deposited 2024-01-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 36–352（317 aa）
Not recorded A1LXY ~{N},~{N}-diethyl-4-(5-oxidanylspiro[chromene-2,4'-piperidine]-4-yl)benzamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen PROPANE
Resolution 3.45 Å
8Y71 positive allosteric modulator(BMS986187)-bound delta-opioid receptor-Gi complex Deposited 2024-02-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 2–366（365 aa）
Not recorded A1D6B 3,3,6,6-tetramethyl-9-[4-[(2-methylphenyl)methoxy]phenyl]-4,5,7,9-tetrahydro-2~{H}-xanthene-1,8-dione × 1 A1D6F 4-[(~{S})-[(2~{R},5~{S})-2,5-dimethyl-4-prop-2-enyl-piperazin-1-yl]-(3-methoxyphenyl)methyl]-~{N},~{N}-diethyl-benzamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.97 Å
9CGJ CryoEM structure of delta opioid receptor bound to G proteins and a partial agonist Deposited 2024-06-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded A1AWC N-{6-[(4bS,8R,8aS,15bR)-1,8a-dihydroxy-5,6,8,8a,9,15b-hexahydro-7H-4,8-methano[1]benzofuro[3,2-c]pyrido[3,4-b]acridin-7-yl]hexyl}guanidine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.80 Å
9CGK CryoEM structure of delta opioid receptor bound to G proteins and a full bitopic agonist Deposited 2024-06-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded A1AWD N-{5-[(4bS,8R,8aS,15bR)-1,8a-dihydroxy-5,6,8,8a,9,15b-hexahydro-7H-4,8-methano[1]benzofuro[3,2-c]pyrido[3,4-b]acridin-7-yl]pentyl}guanidine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.62 Å
9PPW CryoEM structure of delta opioid receptor bound to G proteins and Naltrindole Deposited 2025-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded EJ4 (4bS,8R,8aS,14bR)-7-(cyclopropylmethyl)-5,6,7,8,14,14b-hexahydro-4,8-methano[1]benzofuro[2,3-a]pyrido[4,3-b]carbazole-1,8a(9H)-diol × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.32 Å
9PPX CryoEM structure of delta opioid receptor bound to G proteins and naltrexone Deposited 2025-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded A1CLJ 17-(cyclopropylmethyl)-3,14-dihydroxy-5alpha-4,5-epoxymorphinan-6-one × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.04 Å
9PPY CryoEM structure of delta opioid receptor bound to G proteins and met-enkephalin Deposited 2025-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.10 Å
9PPZ CryoEM structure of delta opioid receptor bound to G proteins and SNC80 Deposited 2025-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded A1CLI 4-[(R)-[(2S,5R)-2,5-dimethyl-4-(prop-2-en-1-yl)piperazin-1-yl](3-methoxyphenyl)methyl]-N,N-diethylbenzamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.19 Å
9PQ0 CryoEM structure of delta opioid receptor bound to G proteins and ADL5859 Deposited 2025-07-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 38–338（301 aa）
Not recorded A1LXY ~{N},~{N}-diethyl-4-(5-oxidanylspiro[chromene-2,4'-piperidine]-4-yl)benzamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.12 Å
9YDP Human delta opioid receptor complex with mini-Gi and agonist DADLE Deposited 2025-09-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 2–372（371 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 1.95 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.