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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：P03435 New Search
16PDB entries
17Biological assembly
23chain/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
4GMS Crystal structure of heterosubtypic Fab S139/1 in complex with influenza A H3 hemagglutinin Deposited 2012-08-16 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 28–346（319 aa） Fragment：UNP residues 28-346
Chain B 347–522（176 aa） Fragment：UNP residues 347-522
Chain C 28–346（319 aa） Fragment：UNP residues 28-346
Chain D 347–522（176 aa） Fragment：UNP residues 347-522
Chain E 28–346（319 aa） Fragment：UNP residues 28-346
Chain F 347–522（176 aa） Fragment：UNP residues 347-522
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 SO4 SULFATE ION × 18 GOL GLYCEROL × 2 PG4 TETRAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；298 K；0.1 M HEPES, pH 7.5, 2 M ammonium sulfate, 2% v/v PEG400, VAPOR DIFFUSION, SITTING DROP, temperature 298K
Resolution 2.95 Å R-free 0.233
4O58 Crystal structure of broadly neutralizing antibody F045-092 in complex with A/Victoria/3/1975 (H3N2) influenza hemagglutinin Deposited 2013-12-19 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain A 28–346（319 aa） Fragment：Hemagglutinin HA1 chain
Chain B 347–522（176 aa） Fragment：Hemagglutinin HA2 chain
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 SO4 SULFATE ION × 42 PEG DI(HYDROXYETHYL)ETHER × 9 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.1；277 K；1.7 M ammonium sulfate, 0.1 M Tris pH 8.1, 4% PEG 400, VAPOR DIFFUSION, SITTING DROP, temperature 277K
Resolution 2.75 Å R-free 0.224
6R0E Structure of F11TCR in complex with DR1 MHC Class II presenting PKYVKQNTLKLAT Deposited 2019-03-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain CCC 323–335（13 aa）
Not recorded EDO 1,2-ETHANEDIOL × 6 SO4 SULFATE ION × 1 PEG DI(HYDROXYETHYL)ETHER × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6；291 K；0.1 M Na Cacodylate, 0.2 M NH4 SO4, 15 % PEG 8000
Resolution 1.91 Å R-free 0.233
8INR Cryo-EM structure of the alpha-MSH-bound human melanocortin receptor 5 (MC5R)-Gs complex Deposited 2023-03-10 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded CA CALCIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.73 Å
8IOC Cryo-EM structure of the gamma-MSH-bound human melanocortin receptor 3 (MC3R)-Gs complex Deposited 2023-03-10 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded CA CALCIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8IOD Cryo-EM structure of the PG-901-bound human melanocortin receptor 5 (MC5R)-Gs complex Deposited 2023-03-10 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded CA CALCIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.59 Å
8JRU Cryo-EM structure of the glucagon receptor bound to beta-arrestin 1 in ligand-free state Deposited 2023-06-17 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
8JRV Cryo-EM structure of the glucagon receptor bound to glucagon and beta-arrestin 1 Deposited 2023-06-17 Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain R 1–16（16 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PIO [(2R)-2-octanoyloxy-3-[oxidanyl-[(1R,2R,3S,4R,5R,6S)-2,3,6-tris(oxidanyl)-4,5-diphosphonooxy-cyclohexyl]oxy-phosphoryl]oxy-propyl] octanoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
8PJE Human Leukocyte Antigen class II allotype DR1 presenting influenza A virus haemagglutinin (HA)306-318 PKYVKQNTLKLAT Deposited 2023-06-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 323–335（13 aa）
Not recorded EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 EDO 1,2-ETHANEDIOL × 13 GOL GLYCEROL × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M HEPES pH 7.0, 25 % PEG8000, 15 % Glycerol
Resolution 1.70 Å R-free 0.203
8PJE Human Leukocyte Antigen class II allotype DR1 presenting influenza A virus haemagglutinin (HA)306-318 PKYVKQNTLKLAT Deposited 2023-06-23 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain F 323–335（13 aa）
Not recorded EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID × 1 EDO 1,2-ETHANEDIOL × 14 GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M HEPES pH 7.0, 25 % PEG8000, 15 % Glycerol
Resolution 1.70 Å R-free 0.203
8PJF Human Leukocyte Antigen class II allotype DR1 presenting P11T->R modified influenza A virus haemagglutinin (HA)306-318 PKYVKQNTLKLAR Deposited 2023-06-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 323–335（13 aa）
Mutation：T318R SO4 SULFATE ION × 6 EDO 1,2-ETHANEDIOL × 16 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；0.1 M MES pH 7.0, 25 % PEG4000, 0.2 M ammonium sulphate
Resolution 1.48 Å R-free 0.192
8PJG F11 TCR in complex with Human Leukocyte Antigen class II allotype DR1 presenting P11T->R modified influenza A virus haemagglutinin (HA)306-318 PKYVKQNTLKLAR Deposited 2023-06-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 323–335（13 aa）
Mutation：T318R EDO 1,2-ETHANEDIOL × 15 P4G 1-ETHOXY-2-(2-ETHOXYETHOXY)ETHANE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；291 K；0.1 M Sodium cacodylate pH 6.5, 15 % PEG8000, 0.2 M ammonium sulphate
Resolution 1.83 Å R-free 0.214
8YH0 A3R-Gi complex bound to NECA Deposited 2024-02-27 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded NEC N-ETHYL-5'-CARBOXAMIDO ADENOSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.86 Å
8YH2 A3R-Gi complex bound to adenosine Deposited 2024-02-27 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded ADN ADENOSINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.27 Å
8YH3 A3R-Gi complex bound to m6A Deposited 2024-02-27 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded 6MD N-methyladenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
8YH5 A3R-Gi complex bound to i6A Deposited 2024-02-27 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded ZIR N-(3-methylbut-2-en-1-yl)adenosine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.66 Å
8YH6 A3R-Gi complex bound to namodenoson Deposited 2024-02-27 Assembly 1 Insufficient information Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain R 1–16（16 aa）
Not recorded XS0 namodenoson × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.62 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.