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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：Q9Y5Y4 New Search
6PDB entries
6Biological 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
6D26 Crystal structure of the prostaglandin D2 receptor CRTH2 with fevipiprant Deposited 2018-04-13 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–236（236 aa） Fragment：CRTH2 (UNP residues 1-236), T4 ligase (UNP residues 2-12,61-161), CRTH2 (UNP residues 238-339)
Chain A 238–339（102 aa） Fragment：CRTH2 (UNP residues 1-236), T4 ligase (UNP residues 2-12,61-161), CRTH2 (UNP residues 238-339)
Mutation：N25A,G237ADLGLQHR,A1298C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：N25A,G237ADLGLQHR,A1298C Non-standard monomer：Yes (specific site not provided by mmCIF) FSY fevipiprant × 1 SO4 SULFATE ION × 9 SIN SUCCINIC ACID × 5 PGE TRIETHYLENE GLYCOL × 1 OLA OLEIC ACID × 1 PGO S-1,2-PROPANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 6.5；289 K；100 mM MES, pH 6.5, 100 mM ammonium sulfate, 30% PEG400, 2% P400, 1 mM succinic acid
Resolution 2.80 Å R-free 0.280
6D27 Crystal structure of the prostaglandin D2 receptor CRTH2 with CAY10471 Deposited 2018-04-13 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–236（236 aa） Fragment：CRTH2 (UNP residues 1-236), T4 ligase (UNP residues 2-12,61-161), CRTH2 (UNP residues 238-339)
Chain A 238–339（102 aa） Fragment：CRTH2 (UNP residues 1-236), T4 ligase (UNP residues 2-12,61-161), CRTH2 (UNP residues 238-339)
Mutation：N25A,G237ADLGLQHR,A1298C Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：N25A,G237ADLGLQHR,A1298C Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 7 FT4 [(3R)-3-{[(4-fluorophenyl)sulfonyl](methyl)amino}-1,2,3,4-tetrahydro-9H-carbazol-9-yl]acetic acid × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 OLA OLEIC ACID × 2 PGE TRIETHYLENE GLYCOL × 2 PGO S-1,2-PROPANEDIOL × 4 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 6.5；289 K；30% PEG300, 100 mM MES, pH 6.5, 100 mM ammonium sulfate, 2% P400
Resolution 2.74 Å R-free 0.280
7M8W XFEL crystal structure of the prostaglandin D2 receptor CRTH2 in complex with 15R-methyl-PGD2 Deposited 2021-03-30 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–236（236 aa）
Chain A 238–339（102 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) YSS 15R-methyl-prostaglandin D2 × 1 NA SODIUM ION × 1 FLC CITRATE ANION × 1 SO4 SULFATE ION × 5 X-RAY DIFFRACTION
X-ray crystallization conditions LIPIDIC CUBIC PHASE；pH 6；283 K；sodium chloride, lithium sulphate, sodium citrate tribasic dihydrate, PEG 300, propylene glycol P400, PGD2
Resolution 2.61 Å R-free 0.267
8XXU Cryo-EM Structure of the Prostaglandin D2 Receptor 2 Coupled to G Protein Deposited 2024-01-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–346（346 aa）
Not recorded A1D5Q [(2~{R})-1-hexadecanoyloxy-3-[oxidanyl-[(2~{S},3~{R},5~{R},6~{S})-2,3,4,5,6-pentakis(oxidanyl)cyclohexyl]oxy-phosphoryl]oxy-propan-2-yl] (~{Z})-octadec-9-enoate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
8XXV Cryo-EM Structure of the Prostaglandin D2 Receptor 2-indomethacin Coupled to G Protein Deposited 2024-01-19 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–348（348 aa）
Not recorded A1D5Q [(2~{R})-1-hexadecanoyloxy-3-[oxidanyl-[(2~{S},3~{R},5~{R},6~{S})-2,3,4,5,6-pentakis(oxidanyl)cyclohexyl]oxy-phosphoryl]oxy-propan-2-yl] (~{Z})-octadec-9-enoate × 1 IMN INDOMETHACIN × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.33 Å
9IYB Cryo-EM Structure of the Prostaglandin D2 Receptor 2-PGD2 Coupled to G Protein Deposited 2024-07-30 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–395（395 aa）
Not recorded A1D5Q [(2~{R})-1-hexadecanoyloxy-3-[oxidanyl-[(2~{S},3~{R},5~{R},6~{S})-2,3,4,5,6-pentakis(oxidanyl)cyclohexyl]oxy-phosphoryl]oxy-propan-2-yl] (~{Z})-octadec-9-enoate × 1 PG2 PROSTAGLANDIN D2 × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 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.