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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：D6N7U3 New Search
11PDB entries
11Biological assembly
19chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion 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
9D8Q Crystal structure of Estrogen Receptor alpha from Melanotaenia fluviatilis bound to estradiol and human SRC2 peptide Deposited 2024-08-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 310–553（244 aa）
Not recorded EST ESTRADIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；290 K；9-10% Tacsimate pH 7.0, 22% PEG3000
Resolution 2.75 Å R-free 0.261
9MDV Apo form of the estrogen receptor alpha ligand binding domain of Melanotaenia fluviatilis Deposited 2024-12-05 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded GOL GLYCEROL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.1 M NaCl, 0.1 M PIPES pH 7, 22% PEG 2000 MME
Resolution 2.00 Å R-free 0.286
9N03 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol AF Deposited 2025-01-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded 0CZ 4,4'-(1,1,1,3,3,3-hexafluoropropane-2,2-diyl)diphenol × 3 GOL GLYCEROL × 5 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.1 M sodium malonate pH 4, 12% PEG 3350
Resolution 1.80 Å R-free 0.218
9N06 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol A Deposited 2025-01-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded GOL GLYCEROL × 1 2OH 4,4'-PROPANE-2,2-DIYLDIPHENOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；4% v/v tacsimate pH 5, 12% PEG3350
Resolution 1.90 Å R-free 0.197
9N0A Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol AP Deposited 2025-01-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded A1BUG 4,4'-(1-phenylethane-1,1-diyl)diphenol × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；12% PEG 3350, 0.1 M sodium malonate pH 5
Resolution 2.50 Å R-free 0.261
9N0C Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol BPBP Deposited 2025-01-24 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded A1BVI 4,4'-(diphenylmethylene)diphenol × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；20% PEG 3350, 0.2 M lithium citrate tribasic dihydrate
Resolution 1.47 Å R-free 0.266
9N24 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol B Deposited 2025-01-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded H3W bisphenol-B × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.2 M sodium malonate pH 4, 20% PEG 3350
Resolution 2.30 Å R-free 0.261
9N25 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol Z Deposited 2025-01-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded BPZ 4,4'-cyclohexane-1,1-diyldiphenol × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；4% v/v tacsimate pH 5, 12% PEG3350
Resolution 2.15 Å R-free 0.232
9N27 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with Bisphenol TMC Deposited 2025-01-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Chain B 310–553（244 aa）
Not recorded A1BVK (2~5~S)-2~3~,2~3~,2~5~-trimethyl-2~3~,2~4~,2~5~,2~6~-tetrahydro-2~2~H-[1~1~,2~1~:2~1~,3~1~-terphenyl]-1~4~,3~4~-diol × 4 A1BWR (2~5~R)-2~3~,2~3~,2~5~-trimethyl-2~3~,2~4~,2~5~,2~6~-tetrahydro-2~2~H-[1~1~,2~1~:2~1~,3~1~-terphenyl]-1~4~,3~4~-diol × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289.15 K；12% PEG 3350, 0.1 M sodium malonate pH 5
Resolution 2.15 Å R-free 0.277
9N28 Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with estradiol and D22 13mer Deposited 2025-01-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Not recorded EST ESTRADIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.01M iron (III) chloride hexahydrate, 0.1M sodium citrate tribasic dihydrate pH 5.6, 10% Jeffamine M-600
Resolution 2.10 Å R-free 0.268
9N2J Crystal structure of Melanotaenia fluviatilis estrogen receptor alpha ligand binding domain complexed with estradiol Deposited 2025-01-29 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 310–553（244 aa）
Not recorded EST ESTRADIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289.15 K；10-14% PEG 3350, 0.1 M ammonium citrate tribasic
Resolution 2.90 Å R-free 0.318

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.