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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：A0A6M4YP75 New Search
2PDB entries
3Biological assembly
5chain/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
9GSP Structure of uncleaved Influenza A/Victoria/2570/2019 Haemagglutinin. The 2021 Influenza A(H1N1)pdm09 egg-derived vaccine candidate. Deposited 2024-09-16 Assembly 1 Other combination Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 1–566（566 aa）
Chain B 1–566（566 aa）
Chain C 1–566（566 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；0.15 M NaCl, 25 mM Tris-HCl pH 8, and 0.1% beta-octylglucoside (BOG)
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.68 Å
9Y41 Crystal structure of hemagglutinin head domain from H1N1 Influenza A virus A/Victoria/2570/2019 bound to the 49_C09 antibody Deposited 2025-09-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain G 63–285（223 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1M Tris, pH 8.0, 65% (v/v) MPD
Resolution 2.89 Å R-free 0.283
9Y41 Crystal structure of hemagglutinin head domain from H1N1 Influenza A virus A/Victoria/2570/2019 bound to the 49_C09 antibody Deposited 2025-09-02 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 63–285（223 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；291 K；0.1M Tris, pH 8.0, 65% (v/v) MPD
Resolution 2.89 Å R-free 0.283

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.