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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：O14520 New Search
8PDB entries
11Biological assembly
37chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
6KXW Crystal structure of human aquaporin AQP7 in bound to glycerol Deposited 2019-09-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–342（342 aa）
Chain B 1–342（342 aa）
Chain C 1–342（342 aa）
Chain D 1–342（342 aa）
Not recorded GOL GLYCEROL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；277 K；30% v/v PEG 400, 50mM CAPS, pH 10.0, 0.16% w/v 1,5-Naphthalenedisulfonic acid disodium, 0.16% w/v Naphthalene-1,3,6-trisulfonic acid trisodium, 0.16% 1,4-piperazinediethanesulfonic acid
Resolution 3.70 Å R-free 0.322
6N1G Crystal structure of Aquaglyceroporin AQP7 Deposited 2018-11-08 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–342（342 aa）
Chain C 1–342（342 aa）
Not recorded GOL GLYCEROL × 10 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；30% w/v polyethylene glycol 400, 100 mM MOPS pH 7.0, 100 mM NaCl.
Resolution 4.00 Å R-free 0.277
6N1G Crystal structure of Aquaglyceroporin AQP7 Deposited 2018-11-08 Assembly 2 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 1–342（342 aa）
Chain D 1–342（342 aa）
Not recorded GOL GLYCEROL × 14 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；291 K；30% w/v polyethylene glycol 400, 100 mM MOPS pH 7.0, 100 mM NaCl.
Resolution 4.00 Å R-free 0.277
6QZI Crystal structure of human Aquaporin 7 at 1.9 A resolution Deposited 2019-03-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 33–279（247 aa）
Not recorded GOL GLYCEROL × 56 PO4 PHOSPHATE ION × 12 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；85 mM Tris pH 8.0, 37 % v/v PEG 200 and 0.80 % v/v OG
Resolution 1.90 Å R-free 0.195
6QZJ Crystal structure of human Aquaporin 7 at 2.2 A resolution Deposited 2019-03-11 Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 33–279（247 aa）
Not recorded GOL GLYCEROL × 44 PO4 PHOSPHATE ION × 8 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；277 K；85 mM Tris pH 8.0, 37 % v/v PEG 200 and 0.80 % v/v OG
Resolution 2.20 Å R-free 0.243
8AMW AQP7 dimer of tetramers_C1 Deposited 2022-08-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–342（342 aa）
Chain B 1–342（342 aa）
Chain C 1–342（342 aa）
Chain D 1–342（342 aa）
Chain E 1–342（342 aa）
Chain F 1–342（342 aa）
Chain G 1–342（342 aa）
Chain H 1–342（342 aa）
Not recorded GOL GLYCEROL × 16 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；3s blot, 3s wait, 0s drain time, 0 blot force
Resolution 3.00 Å
8AMX AQP7 dimer of tetramers_D4 Deposited 2022-08-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–342（342 aa）
Chain B 1–342（342 aa）
Chain C 1–342（342 aa）
Chain D 1–342（342 aa）
Chain E 1–342（342 aa）
Chain F 1–342（342 aa）
Chain G 1–342（342 aa）
Chain H 1–342（342 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；3s blot, 3s wait, 0s drain time, 0 blot force
Resolution 2.55 Å
8C9H AQP7_inhibitor Deposited 2023-01-22 Assembly 1 Protein homooligomer Homooligomer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain A 1–342（342 aa）
Chain B 1–342（342 aa）
Chain C 1–342（342 aa）
Chain D 1–342（342 aa）
Chain E 1–342（342 aa）
Chain F 1–342（342 aa）
Chain G 1–342（342 aa）
Chain H 1–342（342 aa）
Not recorded T60 ethyl 4-[(4-pyrazol-1-ylphenyl)methylcarbamoylamino]benzoate × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE；3s blot, 3s wait, 0s drain time, 0 blot force
Resolution 3.20 Å
8Y8V Cryo-EM structure of AQP7 in POPC nanodisc Deposited 2024-02-06 Assembly 1 Insufficient information Homooligomer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–342（342 aa）
Not recorded P5S O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
8Y8V Cryo-EM structure of AQP7 in POPC nanodisc Deposited 2024-02-06 Assembly 2 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–342（342 aa）
Not recorded P5S O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 Å
8Y8V Cryo-EM structure of AQP7 in POPC nanodisc Deposited 2024-02-06 Assembly 3 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–342（342 aa）
Not recorded P5S O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.49 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.