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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：P51576 New Search
8PDB entries
8Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
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
8ZT1 sStructure of calcium preference ATP-gated channel P2X1 in complex with BTFA Deposited 2024-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 A1D8Z 3,5-bis(trifluoromethyl)aniline × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 3 CA CALCIUM ION × 2 MG MAGNESIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8ZT2 Structure of calcium preference ATP-gated channel Apo-P2X1 in the Desensitized state 1 Deposited 2024-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 MG MAGNESIUM ION × 3 CA CALCIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.31 Å
8ZT5 Structure of calcium preference ATP-gated channel P2X1 in the Desensitized state 2 in the presence of 1mM Calcium ion Deposited 2024-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 MG MAGNESIUM ION × 3 CA CALCIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.35 Å
8ZT8 Structure of calcium preference ATP-gated channel P2X1 in the Desensitized state 3 in the presence of 5mM Calcium ion Deposited 2024-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 MG MAGNESIUM ION × 3 CA CALCIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.34 Å
8ZTA Structure of calcium preference ATP-gated channel P2X1 in the Desensitized state 4 in the presence of 10mM Calcium ion Deposited 2024-06-06 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 MG MAGNESIUM ION × 3 CA CALCIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.58 Å
8ZTD Structure of calcium preference ATP-gated channel P2X1 in the Desensitized state 5 in the presence of 10 mM Calcium ion Deposited 2024-06-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.63 Å
8ZTF Structure of calcium preference ATP-gated channel P2X1 in the Pre-open state in the presence of 10mM Calcium ion Deposited 2024-06-07 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 MG MAGNESIUM ION × 3 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.43 Å
9XQR Cryo-EM structure of P1X1 in complex with BTFA Deposited 2025-11-18 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–399（399 aa）
Chain B 1–399（399 aa）
Chain C 1–399（399 aa）
Not recorded ATP ADENOSINE-5'-TRIPHOSPHATE × 3 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CA CALCIUM ION × 1 MG MAGNESIUM ION × 3 A1D8Z 3,5-bis(trifluoromethyl)aniline × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.3
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.14 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.