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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：A0A1S4NYF2 New Search
9PDB entries
9Biological assembly
11chain/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
8OSI Genetically encoded green ratiometric calcium indicator FNCaMP in calcium-bound state Deposited 2023-04-19 Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–20（20 aa）
Chain A 25–169（145 aa）
Chain A 170–260（91 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) CA CALCIUM ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；288 K；0.1 M MMT buffer, pH 8.0, 25% PEG 1500
Resolution 2.42 Å R-free 0.231
8Y6H P-glycoprotein in complex with UIC2 Fab and triple elacridar molecules in LMNG detergent Deposited 2024-02-02 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 27–260（234 aa）
Not recorded R0Z elacridar × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
8Y6I P-glycoprotein in complex with UIC2 Fab and triple elacridar molecules in nanodisc Deposited 2024-02-02 Assembly 1 Insufficient information Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 27–260（234 aa）
Not recorded CLR CHOLESTEROL × 12 3PE 1,2-Distearoyl-sn-glycerophosphoethanolamine × 1 R0Z elacridar × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.54 Å
9FEM mNeonGreen - Directionality of Optical Properties of Fluorescent Proteins Deposited 2024-05-21 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 25–260（236 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；100 mM sodium HEPES 20% PEG 8000
Resolution 2.32 Å R-free 0.294
9UT8 The full-length human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 26–260（235 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.41 Å
9UT9 The VFT domains of human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 26–260（235 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.18 Å
9UTA The transmembrane domains of human sweet taste receptor TAS1R2 and TAS1R3 in the apo state Deposited 2025-05-03 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 26–260（235 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.77 Å
9UTB The full-length human sweet taste receptor TAS1R2 and TAS1R3 in the sucralose-bound state Deposited 2025-05-03 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 26–260（235 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.59 Å
9UTC The VFT domains of human sweet taste receptor TAS1R2 and TAS1R3 in the sucralose-bound state Deposited 2025-05-03 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 26–260（235 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.33 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.