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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：Q2HJI5 New Search
3PDB entries
3Biological assembly
3chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion 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
8XZ8 BA.2.86 Spike in complex with bovine ACE2 (bound 1 ACE2) Deposited 2024-01-21 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–804（804 aa）
Not recorded ZN ZINC ION × 1 CL CHLORIDE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 36 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.65 Å
8XZA BA.2.86 Spike in complex with bovine ACE2 (Local refinement) Deposited 2024-01-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–804（804 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 ZN ZINC ION × 1 CL CHLORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.07 Å
8Y32 BA.2.86-V483 RBD in complex with bACE2 Deposited 2024-01-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–804（786 aa）
Not recorded CL CHLORIDE ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.13 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.