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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：P49286 New Search
5PDB entries
8Biological assembly
17chain/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
6ME6 XFEL crystal structure of human melatonin receptor MT2 in complex with 2-phenylmelatonin Deposited 2018-09-05 Assembly 1 Insufficient information Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 35–231（197 aa）
Chain A 241–340（100 aa）
Chain B 35–231（197 aa）
Chain B 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEY N-[2-(5-methoxy-2-phenyl-1H-indol-3-yl)ethyl]acetamide × 2 ZN ZINC ION × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 2.80 Å R-free 0.249
6ME7 XFEL crystal structure of human melatonin receptor MT2 (H208A) in complex with 2-phenylmelatonin Deposited 2018-09-05 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–231（197 aa）
Chain A 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEY N-[2-(5-methoxy-2-phenyl-1H-indol-3-yl)ethyl]acetamide × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.20 Å R-free 0.250
6ME7 XFEL crystal structure of human melatonin receptor MT2 (H208A) in complex with 2-phenylmelatonin Deposited 2018-09-05 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–231（197 aa）
Chain B 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEY N-[2-(5-methoxy-2-phenyl-1H-indol-3-yl)ethyl]acetamide × 1 OLC (2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.20 Å R-free 0.250
6ME8 XFEL crystal structure of human melatonin receptor MT2 (N86D) in complex with 2-phenylmelatonin Deposited 2018-09-05 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–231（197 aa）
Chain A 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEY N-[2-(5-methoxy-2-phenyl-1H-indol-3-yl)ethyl]acetamide × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.10 Å R-free 0.262
6ME8 XFEL crystal structure of human melatonin receptor MT2 (N86D) in complex with 2-phenylmelatonin Deposited 2018-09-05 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–231（197 aa）
Chain B 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEY N-[2-(5-methoxy-2-phenyl-1H-indol-3-yl)ethyl]acetamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.10 Å R-free 0.262
6ME9 XFEL crystal structure of human melatonin receptor MT2 in complex with ramelteon Deposited 2018-09-05 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 35–231（197 aa）
Chain A 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEV N-{2-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl]ethyl}propanamide × 1 ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.30 Å R-free 0.270
6ME9 XFEL crystal structure of human melatonin receptor MT2 in complex with ramelteon Deposited 2018-09-05 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 35–231（197 aa）
Chain B 241–340（100 aa）
Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P Mutation：M2007W, H2102I, R2106L, P37S, D86N, L108F, F129W, N137D, C140L, W246F, A305P JEV N-{2-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl]ethyl}propanamide × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；293 K；N-(2-Acetamido)iminodiacetic acid, PEG 400, ammonium acetate
Resolution 3.30 Å R-free 0.270
7VH0 MT2-remalteon-Gi complex Deposited 2021-09-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–362（362 aa）
Not recorded JEV N-{2-[(8S)-1,6,7,8-tetrahydro-2H-indeno[5,4-b]furan-8-yl]ethyl}propanamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen OTHER
Resolution 3.46 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.